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We estimated cumulative mortality by the Kaplan-Meier method and hazard ratios (HRs) using a Cox model adjusted for potential confounders.
Estimates of PFS were obtained by Kaplan Meier method, and hazard ratios and 95%% confidence intervals (CIs) were calculated using an unstratified Cox proportional hazards model.
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Unfortunately, safety design methods and hazard analysis techniques generally are not taught in engineering schools.
We estimated the 12-year survival from diagnosis using the Kaplan Meier method, and adjusted hazard ratios were calculated using the Cox proportional hazards model.
Survival was analyzed by the Kaplan-Meyer method and proportional hazard's model.
More detail on this method and the hazard ratios used are provided in Table S2 in the ESM.
The impact of E-cadherin expression on patients outcome was evaluated in terms of event-free survival curves by the Kaplan Meier method and proportional hazard Cox model.
Differences between survival times were analyzed by the log-rank method and the Hazard Ratio was calculated by univariate Cox regression analysis.
The Kaplan-Meier method and proportional hazards models were used to determine risk factors such as age, sex, femoral component size, primary diagnosis, and implant design.
Survival curves were performed with Kaplan-Meier method, and annual relapse hazard was estimated by hazard function.
Survival curves were generated using the Kaplan-Meier method and annual relapse hazards were estimated by the hazard function.
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