Medication use was determined with National Drug Codes using the Medicare Part D event files. The primary outcome, overall survival, was assessed between metformin users and non-users using a Cox Proportional Hazards survival model. To control for confounding, metformin users were matched to non-...
方法:在2001年1月1日至2013年12月31日之间从关联的SEER-Medicare数据库中识别出患者,包括从头开始的IV期患者(n = 776),远处转移的患者随后被初步诊断为I-III期疾病(n = 1851)。 Kaplan-Meier分析和时变Cox比例风险回归用于评估总体生存率(OS)。 结果:转移诊断的平均年龄为77.6岁,接受化疗的患者为1259名(48%...
Therefore, in the current study, we built an AI classifier by using the XGBoost algorithm to predict the 5-year survival of osteosarcoma patients, and aimed to construct a better AI prediction model. We extracted the samples from the SEER program database to train and cross-validate our predic...
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Medicare files included in the S-M dataset capture the fee-for-service claims from hospitals (MEDPAR), outpatient facilities, NCH, hospice care, home health agencies (HHA), the Outpatient dataset (consisting of hospital and healthcare facility venues), and Part D Prescription Drug Event (PDE)...