对这两组中二次肿瘤的累计发病率用乘积极限法进行比较。

The cumulative incidence of SPM in these two groups was compared using the Kaplan-Meier method.

youdao

对这两组中二次肿瘤的累计发病率用乘积极限法进行比较。

The cumulative incidence of SPM in these two groups was compared using the Kaplan-Meier method.

youdao