Tag: statistics

Niger Postgrad Med J. 2023 Apr-Jun;30(2):110-118. doi: 10.4103/npmj.npmj_22_23.

ABSTRACT

BACKGROUND: The huge global diabetes burden and the paucity of diabetes specialists make primary care physicians important stakeholders in controlling diabetes. Hence, we examined the predictors of glycaemic control among primary care patients with type 2 diabetes mellitus (T2DM), highlighting the influence of prior internist encounters during the preceding year on glycaemic control.

METHODS: This questionnaire-based cross-sectional study involved 276 T2DM patients systematically recruited from attendees of a general outpatient clinic (GOPC) in Kano, Nigeria. Data regarding their sociodemographic, clinical and internist encounter and GOPC visit characteristics were collected. Data were subjected to descriptive and inferential statistical analysis.

RESULTS: Most participants (56.5%) were females; their mean age was 57.7 ± 9.6 years, mean glycated haemoglobin level was 7.3 ± 1.9%. Age, educational level, ethnicity, insurance status, current blood pressure (BP), treatment type, medication adherence, awareness of the importance of diet in DM control, specialist diabetic clinic visited, number of GOPC visits and prior encounter with an internist in the preceding year were associated with glycaemic control after bivariate analysis (P < 0.05). On multivariate regression, low education, retirees, being self-employed, uninsured, overweight, having optimal BP, using metformin alone, sulphonylurea-metformin and insulin-based treatments and prior encounter with the internist in the preceding year were predictors of optimal glycaemic control.

CONCLUSION: There are multiple predictors of glycaemic control in this setting. These predictors should be considered in glycaemic control risk stratification towards quality individualised care, which includes establishing referral protocols to available specialists. Regular training of primary care physicians on diabetes care is also required.

PMID:37148112 | DOI:10.4103/npmj.npmj_22_23

Niger Postgrad Med J. 2023 Apr-Jun;30(2):104-109. doi: 10.4103/npmj.npmj_332_22.

ABSTRACT

BACKGROUND: COVID-19 pandemic has ravaged the world, causing deaths in different countries. Fortunately, production of its vaccine has brought some tranquillity, and Nigeria was not left behind. This study aimed to determine the role of knowledge and perception towards the uptake of COVID-19 vaccine amidst undergraduate students of the University of Lagos, Lagos, Nigeria.

METHODS: This descriptive cross-sectional study was carried out amongst 170 students at the University of Lagos using a multi-stage sampling method. Self-administered questionnaires were used to collect information on demography, knowledge, perception, acceptance and uptake of COVID-19 vaccine. Data were analysed utilising SPSS Version 26. The level of significance was at P < 0.05.

RESULTS: Majority of respondents 125 (73.5%) had good knowledge of COVID-19 vaccine and 87 (51.2%) respondents attributed source of information to social media. Although many 99 (58.2%) respondents had positive perceptions of the vaccine, few 16 (9.4%) had taken the vaccine. Less than quarter 24 (22.1%) planned to receive COVID-19 vaccine while majority 120 (77.9%) had no plans to, cite safety concerns. There was a statistically significant association between age (P = 0.001), level of training (P = 0.034) and uptake of COVID-19 vaccine.

CONCLUSION AND RECOMMENDATIONS: The level of uptake of COVID-19 vaccine was poor amongst undergraduate students in tertiary institutions in Lagos. Age and level of training of respondents were factors associated with poor uptake. It is recommended that the section of university responsible for sharing of information amongst students organises risk communication activities targeted at specific areas about COVID-19 vaccine to improve vaccine uptake amongst students.

PMID:37148111 | DOI:10.4103/npmj.npmj_332_22

Niger Postgrad Med J. 2023 Apr-Jun;30(2):96-103. doi: 10.4103/npmj.npmj_43_23.

ABSTRACT

BACKGROUND: Coronavirus disease 2019 (COVID-19) remained a worldwide public health problem. Risk assessment and mapping can be deployed to assist in the control and management of disease outbreaks.

AIM: The aim of this study was to conduct COVID-19 risk assessment and mapping in selected communities of Southwest Nigeria.

METHODS: This was a cross-sectional study of adults, 18 years and above, involving the use of multi-stage sampling. Data collection was done with a pre-tested, structured, interviewer-administered questionnaire. The Statistical Package for the Social Sciences version 23 and Environmental Systems Research Institute ArcGIS desktop version 10.5 were used for data analysis and spatial mapping, respectively. The threshold for statistical significance was set at P < 0.05.

RESULTS: The respondents’ mean age was 40.6 ± 14.5 years. Self-reported vulnerability factors identified included hypertension, diabetes mellitus, working in hospital facility, cigarette smoking and age ≥60 years amongst others. About a quarter (20.2%) had a high risk of COVID-19 following risk quantification. The risk cuts across geographical locations and socio-economic status. Education was significantly associated with COVID-19 risk. The spatial interpolation map revealed that the farther a community was from the high-burden area, the lower the risk of COVID-19.

CONCLUSION: There was a high prevalence of self-reported COVID-19 risk. Identified communities with COVID-19 high-risk burden in the risk mapping and those with stratified proximity to these areas need to be targeted by the government for a public health awareness campaign.

PMID:37148110 | DOI:10.4103/npmj.npmj_43_23

J Minim Access Surg. 2023 Apr 13. doi: 10.4103/jmas.jmas_253_22. Online ahead of print.

ABSTRACT

INTRODUCTION: Despite recent evidence on the surgical outcomes of robotic-assisted surgery (RAS), other patient centre outcomes, including quality of life (QOL), are lacking. This study aims to examine changes in QoL trajectories following RAS across different surgical specialities.

PATIENTS AND METHODS: A prospective cohort study was conducted for patients undergoing urologic, cardiothoracic, colorectal or benign gynaecological RAS, between June 2016 and January 2020 at a tertiary referral hospital in Australia. QoL was measured using the 36-item Short-Form Health Survey at pre-operative, 6 weeks and 6 months postoperatively. Physical and mental summary scores and utility index were primary outcomes, and sub-domains were secondary outcomes.

STATISTICAL ANALYSIS USED: Mixed-effects linear regressions were used to determine changes in QoL trajectories.

RESULTS: Of the 254 patients undergoing RAS, 154 underwent urologic, 36 cardiothoracic, 24 colorectal and 40 benign gynaecological surgery. Overall, the average age was 58.8 years and most patients were male (75.1%). Physical summary scores significantly decreased from pre-operative to 6 weeks’ post-operative in urologic and colorectal RAS; with all surgical specialities at least returning to pre-operative levels within 6 months postoperatively. Mental summary scores consistently increased from pre-operative to 6 months postoperatively for colorectal and gynaecological RAS.

CONCLUSIONS: RAS contributed to positive changes in QoL, with physical health returning to the pre-operative level and mental health improvements across specialities, in the short term. While degrees of post-operative changes varied amongst specialities, significant improvements demonstrate benefits in RAS.

PMID:37148106 | DOI:10.4103/jmas.jmas_253_22

J Minim Access Surg. 2023 Apr 13. doi: 10.4103/jmas.jmas_245_22. Online ahead of print.

ABSTRACT

INTRODUCTION: Colovesical fistula (CVF) is a condition with various aetiologies and presentations. Surgical treatment is necessary in most cases. Due to its complexity, open approach is preferred. However, laparoscopic approach is reported in the management of CVF due to diverticular disease. The aim of this study was to analyse the management and outcome of patients with CVF of different aetiologies treated with laparoscopic approach.

PATIENTS AND METHODS: This was a retrospective study. We retrospectively reviewed all patients undergoing elective laparoscopic management of CVF from March 2015 to December 2019.

STATISTICAL ANALYSIS USED: None.

RESULTS: Nine patients underwent laparoscopic management of CVF. There were no intraoperative complications or conversions to open surgery. A sigmoidectomy was performed in eight cases. In one patient, a fistulectomy with sigmoid and bladder defect closure was performed. In two cases of locally advanced colorectal cancer with bladder invasion, a multi-stage procedure with temporary colostomy was chosen. In three cases, with no intraoperative leakage, we did not perform bladder suture. Four Clavien I-II complications were recorded. Two fragile patients died in the post-operative period. No patients required re-operation. At a median follow-up of 21 months (interquartile range: 6-47), none of the patients had recurrence of fistula.

CONCLUSIONS: CVF can be managed with laparoscopic approach by skilled laparoscopic surgeons in different clinical scenarios. Bladder suture is not necessary if leakage is absent. Informed counselling to the patient must be guaranteed concerning the risk of major complications and mortality in case of CVF due to malignant disease.

PMID:37148104 | DOI:10.4103/jmas.jmas_245_22

J Minim Access Surg. 2023 Apr 13. doi: 10.4103/jmas.jmas_217_22. Online ahead of print.

ABSTRACT

BACKGROUND: The present study aimed to evaluate the safety and efficacy of transperitoneal laparoscopic adrenalectomy (LA) for large adrenal tumours by comparing the outcomes of tumours larger than 6 cm with those smaller than 6 cm and also to identify the risk factors associated with prolonged operative time in transperitoneal LA.

PATIENTS AND METHODS: One hundred and sixty-three patients underwent LA at our clinic from January 2014 to December 2020. Bilateral LA was performed in 20 of these 163 patients. A total of 143 patients were included in this study. Data were analysed retrospectively from the patients’ medical records collected.

RESULTS: Large tumour (LT) group consists of 33 patients and the small tumour (ST) group consists of 110 patients. There was no statistically significant difference between the groups regarding conversion to open surgery and complications. A multiple regression analysis was conducted to identify the independent predictors of prolonged operation time. The tumour size ≥8 cm (odds ratio [OR], 19.132; 95% confidence interval [CI], 3.881-94.303; P < 0.001) and diagnosis of pheochromocytoma (OR, 2.762; 95% CI, (1.123-6.789, P = 0.026) were the significant predictors of prolonged operation time.

CONCLUSION: Our study shows that LA can be considered the treatment of choice for small and large adrenal tumours. The tumour size ≥8 cm and diagnosis of pheochromocytoma are the independent risk factors for the prolonged operative time in transperitoneal LA.

PMID:37148103 | DOI:10.4103/jmas.jmas_217_22

Neurol India. 2023 Mar-Apr;71(2):304-307. doi: 10.4103/0028-3886.375375.

ABSTRACT

BACKGROUND: Deep brain stimulation (DBS) has become a well-established treatment for the management of Parkinson’s disease (PD). The most common method of lead targeting utilizes microelectrode recording (MER) and intraoperative macrostimulation to confirm accurate placement of the lead. This has been significantly aided by the use of dexmedetomidine (DEX) sedation during the procedure. Despite the frequent use of DEX, it has been theorized that DEX may have some effects on the MER during intraoperative testing. The effect on the perception of sensory thresholds during macrostimulation in the form of paresthesia is still unreported.

OBJECTIVES: To investigate the effect of the sedative DEX on sensory perception thresholds observed in the intraoperative versus postoperative settings for patients undergoing subthalamic nucleus (STN) DBS surgery for PD.

MATERIALS AND METHODS: Adult patients (n = 8) with a diagnosis of PD underwent placement of DBS leads (n = 14) in the STN. Patients were subjected to intraoperative macrostimulation for capsular and sensory thresholds prior to placement of each DBS lead. These were compared to sensory thresholds observed in the postoperative setting during outpatient programming at three depths on each lead (n = 42).

RESULTS: In most contacts (22/42) (P = 0.19), sensory thresholds for paresthesia perception were either perceived at a higher voltage or absent during intraoperative testing in comparison to those observed in the postoperative setting.

CONCLUSIONS: DEX appears to have measurable (though not statistically significant) effect on the perception of paresthesia observed during intraoperative testing.

PMID:37148057 | DOI:10.4103/0028-3886.375375

Neurol India. 2023 Mar-Apr;71(2):291-295. doi: 10.4103/0028-3886.375381.

ABSTRACT

CONTEXT: Brain injury has become a silent epidemic and has very low survival and recovery rates because of inaccurate triaging, especially in absence of symptoms. Therefore, a clinical assessment tool for quick onsite detection of intracranial hematoma is necessary.

AIMS: This study aims to assess the efficacy of the near infrared-based device CEREBO^® for the non-invasive detection of intracranial hematomas in traumatic head injury patients.

SETTINGS AND DESIGN: Observational, prospective, cohort, single-center study.

METHODS AND MATERIALS: Forty-four patients recruited from the Department of Neurosurgery of Civil Hospital, Ahmedabad, between 3 and 85 years from June 2018 to March 2020 were examined by CEREBO^® and computed tomography (CT) scan within 72 h post-injury or first onset of symptoms to measure the desired parameters.

STATISTICAL ANALYSIS USED: SAS 9.4.

RESULTS: The device exhibited high sensitivity (94.87%) and specificity (76.19%) for unilateral hematomas with a positive predictive value (PPV) of 93.67% and a negative predictive value (NPV) of 80%. For bilateral hematomas, the device exhibited a sensitivity of 80%, specificity of 77.78%, PPV 83.33%, and NPV 73.68%.

CONCLUSIONS: This study establishes the efficacy of CEREBO^® to be used as a point-of-care medical screening device for detecting brain hematomas in patients who have had a head injury and is therefore recommended as an adjunct to CT scan. In the triaging or diagnosis phase, it allows for early treatment and thus helps to reduce the secondary injury resulting from the existing and delayed hematomas.

PMID:37148054 | DOI:10.4103/0028-3886.375381

Lung India. 2023 May-Jun;40(3):227-234. doi: 10.4103/lungindia.lungindia_376_22.

ABSTRACT

CLINICAL TRIAL REGISTRATION: ECR/159/Inst/WB/2013/RR-20.

BACKGROUND: Glycopyrronium bromide (a long-acting antimuscarinic agent: LAMA) appears pharmacokinetically suitable for testing bronchodilator responsiveness as salbutamol (short-acting β2-agonist: SABA). Exploring the feasibility, acceptability, degree of reversibility with glycopyrronium, and its comparison with that of salbutamol may be intriguing.

METHODS: New, consecutive, and willing outpatient attendees in the same season of the two consecutive years with chronic obstructive pulmonary disease (FEV1/FVC <0.07; FEV1 <80% of predicted) were subjected to serial responsiveness with inhalation of salbutamol first followed by 50 μg dry powder glycopyrronium [Salbutamol- Glycopyrronium] (phase-1) in the first year and glycopyrronium followed by salbutamol [Glycopyrronium- Salbutamol] (phase-2) in the following year. We looked for the acceptability, adverse reactions, and degree of changes in FEV1, FVC, FEV1/FVC, and FEF25-75 with comparison between the two groups.

RESULTS: The [Salbutamol- Glycopyrronium] group (n = 86) were similar in age, body mass index, and FEV1 to the [Glycopyrronium- Salbutamol] group (n = 88). Both the agents could make a significant (P <.0001) improvement in the parameters independently or as add-on when used serially in alternate orders. The intergroup difference at no stage was significant. The sensitive patients to salbutamol (n = 48), glycopyrronium (n = 44), and both (n = 12) have improvement of 165, 189, and 297 mL while a both-insensitive group (n = 70) had barely 44 mL of improvement. The protocol was universally accepted without any adverse events.

CONCLUSION: Serial testing of salbutamol and glycopyrronium responsiveness in alternate orders provides an insight regarding the independent and the add-on effects of these two agents. About 40% of our chronic obstructive pulmonary disease patients had no clinically appreciable difference in FEV1 with the salbutamol + glycopyrronium combination inhalation.

PMID:37148020 | DOI:10.4103/lungindia.lungindia_376_22

Lung India. 2023 May-Jun;40(3):205-209. doi: 10.4103/lungindia.lungindia_531_22.

ABSTRACT

BACKGROUND: Positive airway pressure therapy is mainstay of treatment of obstructive sleep apnea (OSA). But long-term compliance with is poor with such therapy. A proactive and vigilant management may improve the PAP therapy usage. Cloud-based telemonitoring PAP devices offer an opportunity for proactive monitoring and prompt interventions related to PAP troubleshooting. This technology is also used in India for adult OSA patients. But we lack our own data on behavior of Indian patients as a cohort on PAP therapy. The present study is an attempt to look at the behavior a cohort of PAP users in OSA.

METHODOLOGY: This study was planned as a retrospective analysis of data of OSA patients who were using a cloud-based PAP devices. First 100 patients were chosen for data retrieval that who was on this therapy. The data was obtained for those patients who were on PAP for at least 7 days and maximum follow-up was available up to 390 days. Descriptive statistical analysis has been carried out in the present study.

RESULTS: The number of male and female patients was 75 and 25, respectively. Overall good compliance was present in 66% of patients. 34% of patients were not compliant with PAP during follow-up. The compliance was statistically same in both the sexes (P = 0.8088). Incomplete data recovery was present in 17 patients and 11 (64.70%) were non-compliant among them. In the initial, 60 days non-compliant patients were more than compliant patients. The difference was lost in 60 to 90 days of use. The air leak was present more in the compliant group than non-compliant group (P = 0.0239). 75.75% of compliant patients had achieved AHI control, whereas 35.29% of non-compliant patients also achieved AHI control. But overall, AHI control was poor in non-compliant patients and 61.76% of non-compliant patients had an AHI uncontrolled.

CONCLUSIONS: We conclude that 3/4th of the compliant patients achieve AHI control while 1/4th didn’t. This 1/4th population needs further exploration to determine the causes of poor AHI control. Cloud-based PAP devices give an easy opportunity to monitor patients of OSA. It gives an instant panoramic view of behavior of OSA patients on PAP therapy. The compliant patients can be tracked, and non-compliant patients can be segregated quickly.

PMID:37148016 | DOI:10.4103/lungindia.lungindia_531_22