P4HB and urinary bladder cancer: Multivariate COX analysis of 44 apoptosis-related genes found that 12 apoptosis-related genes were significantly associated with the prognosis of bladder cancer patients, namel ABCB9, SPTBN2, GULP1, OAS1, ANXA6, IGF1, P4HB, RAD9A, DNASE2B, NES, FANCF and DPYSL2.