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  1. 86701
    “…We assessed the association of VAP with corticosteroid treatment using univariate and multivariate cause-specific Cox’s proportional hazard models with adjustment on pre-specified confounders. …”
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    Relationship between corticosteroid use and incidence of ventilator-associated pneumonia in COVID-19 patients: a retrospective multicenter study
  2. 86702
    “…MATERIALS AND METHODS: Ninety-two mCRPC patients treated with [(177)Lu]Lu-PSMA I&T with a follow-up of at least 18 months were retrospectively identified. Multivariable Cox regression analyses were performed for various baseline characteristics, including laboratory values, Gleason score, age, prior therapies, and time interval between initial diagnosis and first treatment cycle (interval(Diagnosis-RLT), per 12 months). …”
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    Baseline clinical characteristics predict overall survival in patients undergoing radioligand therapy with [(177)Lu]Lu-PSMA I&T during long-term follow-up
  3. 86703
    “…Mortality was ascertained through data linkage with national death registries. Multivariable Cox regression models were conducted to estimate hazard ratio (HR) and 95% confidence interval (CI). …”
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    Associations between inflammatory bowel disease, social isolation, and mortality: evidence from a longitudinal cohort study
  4. 86704
    “…Cancer-free survival was determined by Kaplan–Meier curves and group differences by log-rank tests and multivariable Cox regression analyses. RESULTS: The total amount of morphine equivalent administered postoperatively was 7.5 [6.9; 8.1] mg in the SPA group and 6.0 [5.5; 6.5] mg in the GA group (mean [95% CI], p < 0.001). …”
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    The impact of spinal anaesthesia on perioperative opioid consumption, postoperative pain and oncological outcome in radical retropubic prostatectomy—a retrospective before-and-after effectiveness study
  5. 86705
    “…The risks were calculated by Cox proportional hazards regression models. RESULTS: A total of 414 209 participants (mean [SD] age, 56.3 [8.09] years; 218 567 women [52.8%]; 389 452 White race and ethnicity [94.0%]) were included. …”
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    Synergistic Associations of PNPLA3 I148M Variant, Alcohol Intake, and Obesity With Risk of Cirrhosis, Hepatocellular Carcinoma, and Mortality
  6. 86706
    “…MAIN OUTCOMES AND MEASURES: The mode of death in relation to baseline EF was examined, as well as the effect of randomized treatment on cause-specific death in Cox regression models. Relationships with continuous EF were modeled using Poisson regression. …”
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    Effect of Dapagliflozin on Cause-Specific Mortality in Patients With Heart Failure Across the Spectrum of Ejection Fraction: A Participant-Level Pooled Analysis of DAPA-HF and DELIVER
  7. 86707
    “…Univariate and multivariate Cox regression analyses were performed to acquire lncRNAs associated with cuproptosis to establish predictive features. …”
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    Identification of novel cuproptosis-related lncRNA signatures to predict the prognosis and immune microenvironment of breast cancer patients
  8. 86708
    “…Survival distributions were compared in patients reexcised (RE) or not (No-RE) using a log-rank test. A Cox proportional hazard model was used for subgroup analysis. …”
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    Overall survival in patients with re-excision of positive microscopic margins of limb and trunk wall soft tissue sarcoma operated outside of a reference center: a nationwide cohort analysis
  9. 86709
    “…National records were used to collect mortality data, subsequently categorized and analysed as HF-related death, vascular death and non-cardiovascular death using Cox proportional hazards regression. RESULTS: A total of 1009 consecutive patients with a mean age of 73 ± 11 years, 47% women, NYHA class 3.0 ± 0.9, left ventricular ejection fraction (LVEF) 40.1 ± 11.0% and 100% anticoagulated were followed up for 1.5 ± 0.9 years. …”
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    Post-mortem examination of high mortality in patients with heart failure and atrial fibrillation
  10. 86710
    “…Immunohistochemical determination of Ki67 and TOPIIa were performed using monoclonal antibody MIB-1 and 3F6 respectively. Cox proportional-hazards regression models were used to predict BCR and CR as multivariate analysis. …”
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    Ki-67, topoisomerase IIα and miR-221 have a limited prostate cancer risk stratification ability on a medium-term follow-up: results of a high-risk radical prostatectomy cohort
  11. 86711
    “…Kaplan-Meiers curves are used to describe persistency of virological suppression on therapy and a Cox regression model to evaluate baseline characteristics and the risk of stopping therapy. …”
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    Long-term outcome of lamivudine/dolutegravir dual therapy in HIV-infected, virologically suppressed patients
  12. 86712
    “…The association between smoking status and mortality was estimated using Cox proportional regression. Women with BC who smoked had a 1.25-fold higher (95% C.I.: 1.08–1.45; p = 0.0022) risk of overall mortality and a 1.22-fold higher (95% C.I.: 1.04–1.44; p = 0.0168) risk of cancer-specific mortality compared with non-smokers. …”
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    The Association between Smoking and Mortality in Women with Breast Cancer: A Real-World Database Analysis
  13. 86713
    “…We used remote sensing and ground monitors to measure nitrogen dioxide (NO(2)), fine particulate matter (PM(2.5)) , and temperature. We used the Cox-proportional hazards model to examine the association between component and composite air pollution and all-cause mortality, adjusted for demographic characteristics, lifestyle, geographical attributes, and temperature. …”
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    NO(2) and PM(2.5) air pollution co-exposure and temperature effect modification on pre-mature mortality in advanced age: a longitudinal cohort study in China
  14. 86714
    “…The associations between serum biomarkers and overall survival (OS) were analyzed by Kaplan–Meier curves and Cox proportional models. The resulting prediction model has been externally verified through the validation cohort. …”
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    Prognostic value of the modified systemic inflammation score in non-small-cell lung cancer with brain metastasis
  15. 86715
    “…Methods: Using data derived from the National Health Insurance database and Taiwan Cancer Registry, multivariate Cox proportional hazards regression models were adapted to analyze the risk factors of uterine cancer with potential confounding variables. …”
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    Age Specific Risks of Uterine Cancer in Type 2 Diabetes and Associated Comorbidities in Taiwan
  16. 86716
    “…Postoperative overall survival of patients with gene mutations was evaluated using a multivariable Cox proportional hazards model in which the explanatory variables were the presence of each gene mutation, and the confounding factors were pathological stage and age. …”
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    PIK3CA mutations associated with a poor postoperative prognosis in patients with pulmonary pleomorphic carcinoma: a retrospective cohort study
  17. 86717
    “…MAIN OUTCOMES AND MEASURES: Multivariable linear regression was used to test associations of exposures 5 years before enrollment with baseline forced vital capacity and diffusion capacity for carbon monoxide. Multivariable Cox models were used to test associations of exposure in the 5 years before censoring with mortality, and linear mixed models were used to test associations of exposure with a decrease in lung function. …”
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    Association of Particulate Matter Exposure With Lung Function and Mortality Among Patients With Fibrotic Interstitial Lung Disease
  18. 86718
    “…Secondary outcomes were 13 specific causes of death in offspring from birth to young adulthood (age 41 years). Cox regression was used to assess the association, taking into consideration several potential confounders. …”
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    Maternal hypertensive disorder of pregnancy and mortality in offspring from birth to young adulthood: national population based cohort study
  19. 86719
    “…The lncRNA risk models associated with FMA were constructed by single-sample gene set enrichment analysis (ssGSEA), weighted gene co-expression network (WGCNA), differential expression analysis, overlap analysis, and Cox regression analysis. Kaplan-Meier (K-M) and receiver operating characteristic (ROC) curves were utilized to assess the predictive validity of the risk model. …”
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    Prognostic value of lncRNAs related to fatty acid metabolism in lung adenocarcinoma and their correlation with tumor microenvironment based on bioinformatics analysis
  20. 86720
    “…Median survival time from diagnosis to prostate cancer-specific death (N=472) was 6.6 years (interquartile range=2.9–11.1 years). Cox proportional hazards regression models estimated hazard ratios and 95% confidence intervals of the associations between the serum metabolites (in quartiles) and prostate cancer death, adjusted for age at baseline and diagnosis, disease stage, and Gleason sum. …”
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    Metabolomic profile of prostate cancer-specific survival among 1812 Finnish men
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