Fig. 2
From: Radiotherapy cannot prolong overall survival of young prostate cancer patients with bone metastases
The overall survival curves of patients with Kaplan–Meier estimator, tested with a log-rank test. a The overall survival curves of RT and non-RT groups, p = 0.817. b The overall survival curves of CT and non-CT groups, p = 0.875. c The overall survival curves of patients with different levels of Gleason scores, p = 0.564. d The overall survival curves of patients with different levels of PSA, p = 0.692. e The overall survival curves of patients with different levels of ALP, p = 0.020. f The overall survival curves of patients with single or multiple bone metastases, p = 0.006. g The overall survival curves of patients with or without metastases of reginal lymph nodes, p = 0.011. h The overall survival curves of patients with or without metastases of other organs, p = 0.588. RT radiotherapy; CT chemotherapy; PSA prostate-specific antigen; ALP alkaline phosphatase