Increased Fracture Risk After Bariatric Surgery: a Case-Controlled Study with a Long-Term Follow-Up by Omar Suhail Alsaed (14151861)

“…This study aimed to investigate whether bariatric surgery increases fracture risk.</p> <h2>Material and Methods</h2> <p>It was a case-controlled study. …”

The Association of Hypertension with Increased Mortality Rate During the COVID-19 Pandemic: An Update with Meta-analysis by Ahmad R. Al-Qudimat (17337808)

“…Pooled results show that the mortality rate of COVID-19 among the included studies ranges from a minimum of 0.39 (95% CI 0.13–1.12) to a maximum of 5.74 (95% CI 3.77–8.74). …”

COVID-19 Severity in Patients With Apical Periodontitis: A Case Control Study by Nadya Marouf (14150724)

“…This study was designed to test the hypothesis that the presence of apical periodontitis could be associated with increased risk of COVID-19 complications. </p><h3>Methods</h3><p dir="ltr">A case control study (<i>N</i> = 949) was performed using the medical and dental records of patients diagnosed with COVID-19 in the State of Qatar between March 2020 and February 2021. …”

Dietary inflammatory index and odds of breast cancer: A case–control study by Shatha S. Hammad (14778376)

“…Stratified analyses by obesity status showed that overweight/obese participants in the highest DII tertile had a >75% increased BrCA risk (OR of 1.77 [95% CI, 1.01–3.12]) compared with participants in the lowest tertile, after adjusting for age. …”

Association Between Hypothyroidism and Hepatocellular Carcinoma: A Case-Control Study in the United States by Hassan, Manal M.

“…A long-term history of hypothyroidism (>10 years) was associated with a statistically significant high risk of HCC in women; after adjusting for demographic factors, diabetes, hepatitis, alcohol consumption, cigarette smoking, and family history of cancer, the odds ratio (OR) was 2.9 (95% confidence interval [CI], 1.3-6.3). Restricted analyses among hepatitis virus–negative subjects, nondrinkers, nondiabetics, nonsmokers, and nonobese individuals indicated a significant association between hypothyroidism and HCC, with an approximate two-fold to three-fold increased risk of HCC development. …”
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Construction workforce management strategies to reduce absenteeism by Lattouf, M. Ghayth

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The Association Between Inflammatory Bowel Disease and Exposure to Tobacco Smoking: A Case-Control Study in Qatar by Bushra Abdallah (21406922)

“…</p><h3>Study Design and Setting</h3><p dir="ltr">In this case-control study, CD and UC cases were matched to controls of the same age and sex. …”

Exploring the association between the consumption of beverages, fast foods, sweets, fats, and oils and the risk of gastric and pancreatic cancers: Findings from case–control study... by Reem Almahri (22224316)

“…Notably, weekly consumption of chicken sandwiches exhibited a positive association with an increased risk of GC (OR = 3.98, 95% CI = 2.20–7.19, <i>P</i>-value of trend < 0.001) and PC (OR = 4.21, 95% CI = 2.19–8.09, <i>P</i>-value of trend < 0.001). …”

Predictors of mortality and morbidity in critically ill COVID‐19 patients: An experience from a low mortality country by Mohamad Y. Khatib (11659459)

“…Factors independently associated with mortality included older age ([OR]; 2.3 [95% CI; 1.92–2.75] for each 10-year increase in age, <i>p</i> < 0.001), chronic kidney disease (OR; 1.9 [95% CI; 1.02–3.54], <i>p</i> = 0.04), active malignancy (OR; 6.15 [95% CI; 1.79–21.12], <i>p</i> = 0.004), lower platelet count at ICU admission (OR; 1.41 [95% CI; 1.13–1.75] for each 100 × 103/µl decrease, <i>p</i> = 0.002), higher neutrophil-to-lymphocyte ratio at admission (OR; 1.01 [95% CI; 1–1.02] for each 1- point increase, <i>p</i> = 0.016), higher serum ferritin level at admission (OR; 1.05 [(95% CI; 1.02–1.08] for each 500 µg/L increase, <i>p</i> = 0.002), and higher serum bilirubin level at admission (OR; 1.19 [95% CI; 1.04–1.36] for each 10 μmol/L increase, <i>p</i> = 0.01). …”

Comparative effectiveness of one versus two doses of COVID-19 vaccines in Qatar: Evidence of converging protection over time by Hiam Chemaitelly (439114)

“…</p><h3 dir="ltr">Results</h3><p dir="ltr">For BNT162b2, single-dose effectiveness against infection increased steadily from 9.9 % (95 % CI: 6.7–13.0 %) in the first two weeks post-vaccination to 71.5 % (95 % CI: 45.5–85.1 %) by month 3, closely approaching the 74.5 % (95 % CI: 72.9–76.0 %) effectiveness observed after the two-dose primary series. …”

Optimal management, prevalence, and clinical behavior of saddle pulmonary embolism: A systematic review and meta-analysis by Fateen Ata (12217764)

“…</p><p dir="ltr">Results from a meta-analysis of observational studies: Meta-analysis of the included 17 observational studies revealed an overall 10 % (95 % CI: 4.56–16.89) SPE prevalence among all PE cases. …”

Breakdown of perineal laceration repair after vaginal delivery by JAllad, Karl

“…OR, 11.1; 95% CI, 2.9–48.8), operative delivery (adj. OR, 3.4; 95% CI, 1.2–10.3), midwife performing the laceration repair (adj. …”
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Unplanned Extubation by Linda Ibrahim (17075086)

“…Compared to GA-matched infants without UE, ELBW infants with UE had higher rates of severe bronchopulmonary dysplasia (BPD) (adjusted Odds ratio 7.9, 95% C.I 2.6-24.0, p<0.001), pneumothorax (aOR 4.7, 95% C.I 1.13-19.3, p=0.03), and any intraventricular hemorrhage (IVH) (aOR 3.8, 95% C.I 1.6-8.9, p=0.002).…”

Risk factors for stoma outlet obstruction: systematic review and meta-analysis by Ali Toffaha (18111886)

“…</p><h3 dir="ltr">Results</h3><p dir="ltr">This study included 16 retrospective cohort studies involving 2,228 patients, of whom 362 developed SOO. Increased rectus abdominis muscle thickness was found to significantly increase the risk of SOO (odds ratio [OR] 4.04, 95% confidence interval [CI] 2.36–6.93). …”

Spatial modelling of contribution of individual level risk factors for mortality from Middle East respiratory syndrome coronavirus in the Arabian Peninsula by Oyelola A. Adegboye (4287826)

“…Three hundred and sixty four (38%) cases occurred in Ar Riyad province, while 325 (34%) cases occurred in Makkah. …”

Tranexamic Acid for Traumatic Injury in the Emergency Setting: A Systematic Review and Bias-Adjusted Meta-Analysis of Randomized Controlled Trials by Pieter Francsois, Fouche

“…The meta-analysis also revealed reduced 24-hour mortality (OR 0.76, 95% CI 0.65 to 0.88) for TXA. No compelling evidence of increased vascular occlusive events emerged (OR 0.96, 95% CI 0.73 to 1.27). …”
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Epidemiology of herpes simplex virus type 1 in the United States: Systematic review, meta-analyses, and meta-regressions by Rwedah A., Ageeb

“…The pooled mean proportion of HSV-1 detection in genital herpes was 15.4% (95% CI: 10.8–20.6), increasing by 1.02-fold (95% CI: 1.00–1.04) per year. …”
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mtDNA lineages reveal coronary artery disease‐associated structures in the Lebanese population by Haber, Marc

“…Sequencing the mitochondrial hypervariable sequence 1 (HVS‐1) of 363 controls and 448 cases revealed that haplogroup W was more frequent (P= 0.013) in cases compared to controls, and was associated with increased risk of CAD (OR = 5.50, 95% CI = 1.50–35.30, P= 0.026) among Lebanese samples. …”
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Association of Diabetes Duration and Diabetes Treatment with the Risk of Hepatocellular Carcinoma by Hassan, Manal

“…RESULTS: The prevalence of diabetes mellitus was 33.3% in patients with HCC and 10.4% in the control group, yielding an adjusted odds ratio (AOR) of 4.2 (95% confidence interval [95% CI], 3.0-5.9). In 87% of cases, diabetes was present before the diagnosis of HCC, yielding an AOR of 4.4 (95% CI, 3.0- 6.3). …”
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Validation of a modified obstetric comorbidity index for prediction of postpartum adverse events including fetal morbidity - a retrospective cohort study from Qatar by Fouad Chaalan (22457797)

“…Around 5% of the babies had fetal distress in labour and low UA pH. For every 1 unit increase in OBCMI score, the odds of SMM increased by 44% (OR 1.44 95% CI 1.30–1.59; <i>p</i> < 0.001; AUC 0.66), and CFM increased by 28% (OR 1.28 95% CI 1.15–1.42; <i>p</i> < 0.001; AUC 0.61). …”