Fig. 2

Low expression of miR-133a-3p correlates with poor clinicopathological characteristics and bone metastasis-free survival in PCa patients. a miR-133a-3p expression levels in PCa tissues with different Gleason score. b miR-133a-3p expression levels in PCa tissues with different tumor volume. c miR-133a-3p expression levels in PCa tissues with different lymph node metastasis status. d miR-133a-3p expression levels in PCa tissues with different distant metastasis status. e Kaplan–Meier analysis of overall survival curves of PCa patients with high miR-133a-3p expression (n = 123) versus low miR-133a-3p expression (n = 122). f Kaplan–Meier analysis of bone metastasis-free survival curves of PCa patients with high miR-133a-3p expression (n = 114) versus low miR-133a-3p expression (n = 109). g Multivariate Cox regression analysis to evaluate the significance of the association between miR-133a-3p expression and bone metastasis-free survival. HR values were presented by log2 transformation