Tag: statistics

West J Emerg Med. 2022 Aug 19;23(5):706-715. doi: 10.5811/westjem.2022.6.55551.

ABSTRACT

INTRODUCTION: Previous studies suggest improved intubation success using video laryngoscopy (VL) vs direct laryngoscopy (DL), yet recent randomized trials have not shown clear benefit of one method over the other. These studies, however, have generally excluded difficult airways and rapid sequence intubation. In this study we looked to compare first-pass success (FPS) rates between VL and DL in adult emergency department (ED) patients with difficult airways.

METHODS: We conducted a secondary analysis of prospectively collected observational data in the National Emergency Airway Registry (NEAR) (January 2016-December 2018). Variables included demographics, indications, methods, medications, devices, difficult airway characteristics, success, and adverse events. We included adult ED patients intubated with VL or DL who had difficult airways identified by gestalt or anatomic predictors. We stratified VL by hyperangulated (HAVL) vs standard geometry VL (SGVL). The primary outcome was FPS, and the secondary outcome was comparison of adverse event rates between groups. Data analyses included descriptive statistics with cluster-adjusted 95% confidence intervals (CI).

RESULTS: Of 18,123 total intubations, 12,853 had a predicted or identified anatomically difficult airway. The FPS for difficult airways was 89.1% (95% CI 85.9-92.3) with VL and 77.7% (95% CI 75.7-79.7) with DL (P <0.00001). The FPS rates were similar between VL subtypes for all difficult airway characteristics except airways with blood or vomit, where SGVL FPS (87.3%; 95% CI 85.8-88.8) was slightly better than HAVL FPS (82.4%; 95% CI, 80.3-84.4). Adverse event rates were similar except for esophageal intubations and vomiting, which were both less common in VL than DL. Esophageal intubations occurred in 0.4% (95% CI 0.1-0.7) of VL attempts and 1.5% (95% CI 1.1-1.9) of DL attempts. Vomiting occurred in 0.6% (95% CI 0.5-0.7) of VL attempts and 1.4% (95% CI 0.9-1.9) of DL attempts.

CONCLUSION: Analysis of the NEAR database demonstrates higher first-pass success with VL compared to DL in patients with predicted or anatomically difficult airways, and reduced rate of esophageal intubations and vomiting.

PMID:36205675 | DOI:10.5811/westjem.2022.6.55551

Dermatol Ther. 2022 Oct 7:e15907. doi: 10.1111/dth.15907. Online ahead of print.

ABSTRACT

BACKGROUND: Topical timolol and lasers are widely used for the treatment of infantile hemangioma (IH), and they can replace propranolol as the first-line treatment of IH. We aimed to investigate the efficacy and safety of topical timolol alone or lasers plus topical timolol versus lasers alone for the treatment of IH using a meta-analysis.

METHODS: We searched the PubMed, Embase, Cochrane Library, China National Knowledge Infrastructure, and Wanfang databases. A more conservative random effect model meta-analysis technique was used to analyze the efficacy and adverse reactions of timolol and lasers.

RESULTS: Ten RCTs with a total of 979 patients with IH were included in this meta-analysis. Treatment with topical timolol alone was as effective as lasers in treating IH (risk ratio [RR] = 0.99, p = 0.94), with similar adverse events. The difference was not statistically significant (RR = 1.67, p = 0.14). Combined treatment with topical timolol and lasers showed a favorable response rate compared with treatment with either lasers (RR = 1.23, p = 0.01) or topical timolol (RR = 1.35, p = 0.001) alone. Furthermore, compared to topical timolol alone, the combined treatment indicated similar risks of adverse events (RR = 0.70, p = 0.38) but fewer risks of adverse events (RR = 0.39, p = 0.004) compared to lasers alone.

CONCLUSIONS: This meta-analysis provided evidences that a combined treatment with topical timolol and lasers might be more effective than a single treatment strategy in infants with IH, and with no significant increase in adverse reactions. The combination of topical timolol and laser therapy might be the preferred choice for the treatment of IHs.

PMID:36205218 | DOI:10.1111/dth.15907

East Mediterr Health J. 2022 Sep 29;28(9):690-694. doi: 10.26719/emhj.22.059.

ABSTRACT

BACKGROUND: The United Arab Emirates has set the goal to reduce traffic-related deaths to 3 per 100 000 people by 2021. To do this, authorities must assess the factors related to risky driving behaviour.

AIMS: To verify if there are any correlations between driving behaviour and certain variables, including years of driving experience, daily hours of sleep, general markers of mental health, and symptoms of attention deficit hyperactivity disorder (ADHD).

METHODS: Two hundred and seventy-five participants responded to a survey made up of the Manchester driver behaviour questionnaire, the general health questionnaire, the adult ADHD self-report scale, and 2 additional questions. Spearman’s coefficient was calculated for correlations between these variables, at statistical significance level P < 0.05.

RESULTS: Years of driving experience and hours of sleep had no correlations with driving performance. Markers of general mental health had a weak correlation with risky driving behaviour, and symptoms of ADHD had moderate correlation with risky driving behaviour.

CONCLUSION: Policymakers and public health officials should screen for ADHD during driver licensing examination.

PMID:36205208 | DOI:10.26719/emhj.22.059

Cancer Med. 2022 Oct 7. doi: 10.1002/cam4.5033. Online ahead of print.

ABSTRACT

This is the first large-scale cross-country analysis of patients with chronic lymphocytic leukemia (CLL) aimed to evaluate the incidence, types, and key prognostic factors of secondary malignancies, and to assess the impact on overall survival based on retrospective claims data from three Central European countries. We analyzed 25,814 newly diagnosed CLL patients from Czechia, Hungary, and Poland; 10,312 (39.9%) patients were treated for CLL in study periods between 2004 and 2016. Out of the treated patients, 1986 (19.3%) received the FCR therapy in the first line and 779 (7.6%) received FCR in subsequent lines. We observed that 33.7% of treated patients developed secondary malignancies during the study. Based on country estimates, the probability to develop a secondary malignancy within 4 years since starting the first-line FCR therapy ranged between 28.0% and 36.8%. We found the age at diagnosis, male gender, any malignancy prior to the CLL diagnosis, and the CLL treatment to be the key risk factors for developing secondary malignancies. Specifically, the FCR therapy was a statistically significant (p < 0.001) prognostic factor for risk increase with the hazard ratio between 1.46 and 1.60. Across the three Central European countries, we observed consistent results indicating FCR increased the risk of secondary malignancies in CLL patients. We conclude that secondary malignancies are clearly an undervalued burden for CLL patients, caregivers, and the healthcare system. When evaluating new therapies in regulatory and reimbursement decision making, the factor of secondary malignancies deserves deeper considerations.

PMID:36205198 | DOI:10.1002/cam4.5033

Circulation. 2022 Oct 7:101161CIRCULATIONAHA122060866. doi: 10.1161/CIRCULATIONAHA.122.060866. Online ahead of print.

ABSTRACT

BACKGROUND: A novel risk calculator based on clinical characteristics and noninvasive tests that predicts the onset of clinical sustained ventricular arrhythmias (VA) in patients with arrhythmogenic right ventricular cardiomyopathy (ARVC) has been proposed and validated by recent studies. It remains unknown whether programmed ventricular stimulation (PVS) provides additional prognostic value.

METHODS: All patients with a definite ARVC diagnosis, no history of sustained VAs at diagnosis, and PVS performed at baseline were extracted from 6 international ARVC registries. The calculator-predicted risk for sustained VA (sustained or implantable cardioverter defibrillator treated ventricular tachycardia [VT] or fibrillation, [aborted] sudden cardiac arrest) was assessed in all patients. Independent and combined performance of the risk calculator and PVS on sustained VA were assessed during a 5-year follow-up period.

RESULTS: Two hundred eighty-eight patients (41.0±14.5 years, 55.9% male, right ventricular ejection fraction 42.5±11.1%) were enrolled. At PVS, 137 (47.6%) patients had inducible ventricular tachycardia. During a median of 5.31 [2.89-10.17] years of follow-up, 83 (60.6%) patients with a positive PVS and 37 (24.5%) with a negative PVS experienced sustained VA (P<0.001). Inducible ventricular tachycardia predicted clinical sustained VA during the 5-year follow-up and remained an independent predictor after accounting for the calculator-predicted risk (HR, 2.52 [1.58-4.02]; P<0.001). Compared with ARVC risk calculator predictions in isolation (C-statistic 0.72), addition of PVS inducibility showed improved prediction of VA events (C-statistic 0.75) (log-likelihood ratio for nested models, P<0.001). PVS inducibility had a 76% [67-84] sensitivity and 68% [61-74] specificity, corresponding to log-likelihood ratios (LR) of 2.3 and 0.36 for inducible (LR+) and noninducible (LR-) patients, respectively. In patients with a ARVC risk calculator-predicted risk of clinical VA events <25% during 5 years (ie, low/intermediate subgroup), PVS had a 92.6% negative predictive value.

CONCLUSIONS: PVS significantly improved risk stratification above and beyond the calculator-predicted risk of VA in a primary prevention cohort of patients with ARVC, mainly for patients considered to be at low and intermediate risk by the clinical risk calculator.

PMID:36205131 | DOI:10.1161/CIRCULATIONAHA.122.060866

J Cutan Med Surg. 2022 Oct 7:12034754221128798. doi: 10.1177/12034754221128798. Online ahead of print.

ABSTRACT

PURPOSE: To answer the following clinical research question: “Among patients with multiple basal cell carcinomas (mBCCs), can panoramic radiograph (PaR) facilitate the diagnosis of Gorlin-Goltz syndrome (GGS)?”

METHODS: This retrospective study enrolled mBCCs subjects who presented to a German tertiary care center between 1 January 2015 and 31 December 2021. The primary predictor was presence of syndromic mBCCs, and the main outcomes were jaw cysts and odontogenic keratocysts (OKCs). Descriptive, bi- and multivariate statistics, diagnostic test evaluation, and number needed to screen (NNS) were computed at α = 95%.

RESULTS: The sample comprised 527 mBCCs patients (36.1% females; 6.8% GGS; 5.5% OKCs; mean age, 74.5 ± 15.8 years [range, 15-102]). There was a significant association between syndromic mBCCs and jaw cysts (P < .0001; NNS = 2 [95% CI, CI, 1.1 to 1.4]). In the adjusted logistic model, PaR identified GGS via radiographic diagnosis of jaw cysts in case of 1) age ≤ 35 years, 2) ≥ 5 BCCs, and 3) ≥ 1 high-risk BCCs. Nearly every jaw cyst identified by PaR was OKCs (P = .01; 95% CI, 3.1 to 3,101.4; NNS = 1.3 [95% CI, .9 to 2]). The post hoc power was 100%.

CONCLUSIONS: Dental screening with the use of PaR for mBCCs patients, especially those aged ≤35 years, or with ≥5 BCCs, or ≥1 high-risk BCCs, may be helpful in detection and identification of GGS through recognition of OKCs.

PMID:36205130 | DOI:10.1177/12034754221128798

Birth Defects Res. 2022 Oct 15;114(17):1092-1100. doi: 10.1002/bdr2.2073. Epub 2022 Aug 10.

ABSTRACT

BACKGROUND: Favipiravir is one of the essential antiviral drugs used for the treatment of coronavirus disease (COVID-19) in some countries. However, there is not enough information about used, especially in pregnancy. Therefore, in this study, it was aimed to determine the developmental toxicity of favipiravir on fetal bone development and embryonic development.

METHODS: In this study, 16 pregnant wistar albino rats were used. The rats were divided into four groups: Control (saline) and Group A (50 mg/kg × 5 days), Group B (50 mg/kg × 1 days + 20 mg/kg × 4 days), Group C (20 mg/kg × 5 days). Solutions were administered to the rats by oral gavage from the 10th to 14th days of pregnancy, twice a day. The skeletal system development of fetuses was examined with double skeletal staining and immunohistochemical staining methods.

RESULTS: A total of 72 fetuses from pregnant rats, 18 in each group, were included in the study. As a result, depending on favipiravir dose increase, in experimental groups, it was determined that the statistically significant decrease on the ossification rates of anterior and posterior extremity bones, and length and weight of fetuses.

CONCLUSION: Exposure to favipiravir during pregnancy impairs bone metabolism and bone formation-resorption stages and may cause developmental delay.

PMID:36205105 | DOI:10.1002/bdr2.2073

J Sports Med Phys Fitness. 2022 Oct 7. doi: 10.23736/S0022-4707.22.14177-0. Online ahead of print.

ABSTRACT

BACKGROUND: Central to the work of medical and pharmacy practitioners is the provision of pharmaceutical support for patients, who may also be competitive athletes. This study aimed to assess the knowledge gaps of medical and pharmacy students at the University of ** BLINDED ** regarding World Anti-Doping Code and the Prohibited List.

METHODS: All medical and pharmacy students studying at the University of **BLINDED** were invited to participate in an online questionnaire devised by the research team. This questionnaire assessed knowledge regarding the prohibited status of 19 substances, as well as knowledge regarding therapeutic use exemptions. The questionnaire was pre-piloted with local experts in the sports doping field to test face validity, and then tested for content clarity and easy of use by 20 medical and pharmacy students. Total scores were used to compare medical student vs pharmacy student and athlete vs non-athlete using the Mann-Whitney U Test.

RESULTS: A total of 242 students answered the questionnaire, 58% of which were female. 86% of respondents were medical students. From of the cohort of respondents, 22% identified themselves as athletes as per definition provided in the questionnaire. A number of substances, such as diuretics, morphine, cocaine and ecstasy, were incorrectly classified by the majority of participants. Paracetamol, caffeine, vitamins, NSAIDs, and antihistamines were mostly correctly classified. Pharmacy students had better knowledge when compared to medical students (U value = 2734.5, p-value = 0.034). Student athletes did not have more knowledge than non-athletes (U value = 4810.5, p-value = 0.659).

CONCLUSIONS: Medical and Pharmacy students have significant knowledge gaps when it comes to performance enhancing drugs in sport. Sports pharmacy should be included as part of the undergraduate curriculum for both medicine and pharmacy, but especially for medical students who will be future prescribers.

PMID:36205087 | DOI:10.23736/S0022-4707.22.14177-0

Cleft Palate Craniofac J. 2022 Oct 7:10556656221131855. doi: 10.1177/10556656221131855. Online ahead of print.

ABSTRACT

OBJECTIVE: The aim of this study was to evaluate the outcomes of orthognathic surgery (OGS) in patients with craniofacial microsomia (CFM) who had previously undergone mandibular distraction osteogenesis (MDO).

DESIGN: A retrospective cohort study was performed including all patients with CFM who were treated with OGS at a single institution between 1996 and 2019. The clinical records, operative reports, and cone beam computed tomography (CBCT) scans were reviewed. CBCT data before OGS (T1), immediately after OGS (T2), and at long-term follow-up (T3) were analyzed using Dolphin three-dimensional software to measure the occlusal cant and chin point deviation.

RESULTS: The study included 12 patients with CFM who underwent OGS (6 underwent OGS without MDO and 6 underwent OGS after MDO). There was a statistically significant improvement in occlusal cant and chin point deviation in both groups postoperatively. Occlusal cant relapsed by a mean of 0.6° (standard deviation [SD] 1.1°) in the patients who had OGS alone compared with 0.7° (SD 1.2°) in the patients who had OGS after MDO (P = .745) between T2 and T3. There was no statistically significant difference in chin point relapse between patients who had OGS alone compared with those who had OGS after MDO (0.1 mm [SD 2.5mm] vs 0.7mm [SD 2.2mm]; P = .808).

CONCLUSIONS: Within the limitations of this study, these findings suggest that OGS after MDO in patients with CFM can produce stable results.

PMID:36205083 | DOI:10.1177/10556656221131855

Nicotine Tob Res. 2022 Oct 7:ntac235. doi: 10.1093/ntr/ntac235. Online ahead of print.

ABSTRACT

BACKGROUND: We examined the differential impact of the 2012 Canadian GWL policy changes on key indicators of warning label impact and quit intentions using national cohorts of Canadian and US adults who smoke.

METHODS: We used data from all waves of the International Tobacco Control surveys (2002-2020) in Canada and the US. Our key measures were quit intentions and an index of warning label effectiveness (salience, cognitive and behavioral reactions). We estimated overall policy impact by comparing Canada (treatment group) with the US (control group) using controlled interrupted time series (CITS) regression models, with interactions to examine whether policy impact varied by sex, education, and income.

RESULTS: The CITS model showed a statistically significant increase in the warning label effectiveness in Canada post-policy, compared to the US (β= 0.84, 95% CI 0.35,1.33). Similarly, the odds of quit intentions were relatively higher among adults who smoked in Canada compared to the US (OR= 1.89, 95% CI 1.51,2.36) post-policy. The three-way interaction model showed that these associations were greater among adults from low socioeconomic status (SES) groups than in high SES groups.

DISCUSSION: The 2012 change in the Canadian GWL policy was associated with stronger cognitive and behavioral responses to GWLs and higher odds of quit intentions among adults who smoked in Canada when compared to the US, specifically among individuals from low SES groups, suggesting a positive equity impact. Our findings affirm the need for countries to implement or enhance GWLs, in line with the WHO Framework Convention on Tobacco Control.

IMPLICATIONS: The evidence on the potential health equity benefit of GWL policies is mixed. To further understand the influence of GWL policies on tobacco use disparities, more systematic research using pre/post policy designs with control groups is needed. Using a controlled interrupted time series model, we aimed to strengthen the available evidence on the causal influence of this tobacco control approach. Our findings show that the 2012 GWL policy change had a greater impact on adults who smoked from low SES groups than it did on adults who smoked from high SES groups, indicating a potentially positive equity impact and confirming the need for countries to implement or maximize the size of GWLs, as recommended by the WHO Framework Convention on Tobacco Control.

PMID:36205028 | DOI:10.1093/ntr/ntac235