Kaplan-Meier methods were used to compute the survivalanalyses.
生存率分析使用了Kaplan - Meier方法。
2
Survivalanalyses were used for comparisons between patients with ra and the normal population, and between the operated and those treated conservatively.
存活率分析被用于类风湿性关节炎患者和正常人群之间，以及手术患者和那些保守治疗患者之间的比较。
3
Background Retrospective and observational analyses suggest that occult lymph-node metastases are an important prognostic factor for disease recurrence or survival among patients with breast cancer.