“…Fifty-three articles were deemed to meet our preliminary selection criteria , of which 44 articles were selected for the final comprehensive analysis (18-21, 23-30, 32-42, 44-50, 52, 53, 56, 57, 61-70). The results of 6 clinical trials had been reported in multiple platforms: CheckMate 067 (n = 4) (57-60), PACIFIC (n = 3) (54-56), CheckMate 227 (n = 2) (21,22), OAK (n = 2) (31, 32), KeyNote 054 (n = 2) (51,52) and IMpower 150 (n = 2) (42,43). When such duplications were noted, only one was selected for the meta-analysis.…”