a positive trendP = 0.373
Although sarcopenia assessed by PMI showed a positive trend with postoperative major complications [ 18 , 28 , 30 , 31 , 42 , 44 ], it did not reach statistical significance (OR: 1.08, 95% CI 0.72–1.61, P = 0.373, I 2 = 58.3%).