Variable N Overall, N = 26,5391 CR-POPF vs No CR-POPF p-value2
CR-POPF, N = 4,5101 No CR-POPF, N = 22,0291
Age 26,539 63.50 (12.77) 62.28 (12.94) 63.75 (12.71) <0.001
ANESTHES 26,539 0.21
Epidural 31 (0.1%) 8 (0.2%) 23 (0.1%)
General 26,430 (100%) 4,495 (100%) 21,935 (100%)
MAC/IV Sedation 26 (<0.1%) 2 (<0.1%) 24 (0.1%)
None 14 (<0.1%) 4 (<0.1%) 10 (<0.1%)
Other 16 (<0.1%) 1 (<0.1%) 15 (<0.1%)
Regional 8 (<0.1%) 0 (0%) 8 (<0.1%)
Spinal 12 (<0.1%) 0 (0%) 12 (<0.1%)
Unknown 2 (<0.1%) 0 (0%) 2 (<0.1%)
Pre-operative serum sodium 25,782 139.07 (3.11) 139.34 (2.97) 139.02 (3.13) <0.001
Unknown 757 129 628
Pre-operative BUN 24,644 15.56 (7.32) 15.71 (6.78) 15.52 (7.42) 0.002
Unknown 1,895 341 1,554
Pre-operative Creatinine 25,931 0.89 (0.48) 0.92 (0.50) 0.88 (0.47) <0.001
Unknown 608 104 504
Pre-operative Albumin 23,677 3.85 (0.59) 3.89 (0.58) 3.85 (0.59) <0.001
Unknown 2,862 578 2,284
Pre-operative Bilirubin 24,043 1.22 (2.05) 1.12 (1.89) 1.24 (2.09) 0.083
Unknown 2,496 454 2,042
Pre-operative SGOT 24,023 42.19 (57.43) 37.97 (50.05) 43.04 (58.77) <0.001
Unknown 2,516 476 2,040
Pre-operative Alkaline Phosphatase 24,164 149.58 (146.13) 132.56 (126.66) 153.05 (149.56) <0.001
Unknown 2,375 414 1,961
Pre-operative WBC 25,914 7.29 (2.79) 7.48 (2.82) 7.26 (2.78) <0.001
Unknown 625 110 515
Pre-operative Hematocrit 25,960 38.29 (5.18) 39.22 (5.24) 38.10 (5.15) <0.001
Unknown 579 100 479
Pre-operative Platelet Count 25,914 250.15 (91.45) 252.93 (88.75) 249.58 (91.98) 0.002
Unknown 625 111 514
Pre-operative PTT 15,293 29.91 (5.57) 29.78 (5.31) 29.94 (5.62) 0.30
Unknown 11,246 1,808 9,438
Pre-operative International Normalized Ratio (INR) of PT values 20,674 1.05 (0.24) 1.05 (0.30) 1.05 (0.22) 0.058
Unknown 5,865 951 4,914
Pre-operative PT 67 11.48 (3.14) 11.14 (1.34) 11.52 (3.29) 0.40
Unknown 26,472 4,503 21,969

1 Statistics presented: Mean (SD); n (%)

2 Statistical tests performed: Wilcoxon rank-sum test; Fisher's exact test