Variable N Days with Highest Amylase >5, N = 3,1191 p-value2
Overall, N = 7,5311 1, N = 9821 3-5, N = 3,4301
Age 7,531 64.99 (11.44) 65.16 (11.33) 64.73 (11.44) 65.22 (11.47) 0.16
Sex 7,531 0.19
female 3,382 (45%) 453 (46%) 1,567 (46%) 1,362 (44%)
male 4,149 (55%) 529 (54%) 1,863 (54%) 1,757 (56%)
Race 7,531 0.17
Black 558 (7.4%) 88 (9.0%) 240 (7.0%) 230 (7.4%)
Other 345 (4.6%) 50 (5.1%) 144 (4.2%) 151 (4.8%)
Unknown 952 (13%) 126 (13%) 454 (13%) 372 (12%)
White 5,676 (75%) 718 (73%) 2,592 (76%) 2,366 (76%)
BMI 7,531 27.24 (6.32) 26.85 (6.34) 27.21 (6.26) 27.41 (6.37) 0.022
Fistula 7,493 <0.001
CR-POPF 1,456 (19%) 99 (10%) 422 (12%) 935 (30%)
No CR-POPF 6,037 (81%) 876 (90%) 2,994 (88%) 2,167 (70%)
Unknown 38 7 14 17
ASA Classification 7,531
5-Moribund 2 (<0.1%) 0 (0%) 2 (<0.1%) 0 (0%)
I-II 1,763 (23%) 223 (23%) 791 (23%) 749 (24%)
III-IV 5,756 (76%) 759 (77%) 2,632 (77%) 2,365 (76%)
None assigned 10 (0.1%) 0 (0%) 5 (0.1%) 5 (0.2%)
PAN_DUCTSIZE 7,531 <0.001
<3 mm 2,021 (27%) 239 (24%) 899 (26%) 883 (28%)
>6 mm 912 (12%) 116 (12%) 486 (14%) 310 (9.9%)
3-6 mm 2,961 (39%) 377 (38%) 1,393 (41%) 1,191 (38%)
Unknown 1,637 (22%) 250 (25%) 652 (19%) 735 (24%)
PAN_GLANDTEXT 7,531 <0.001
Hard 2,384 (32%) 341 (35%) 1,170 (34%) 873 (28%)
Intermediate 593 (7.9%) 61 (6.2%) 312 (9.1%) 220 (7.1%)
Soft 2,695 (36%) 339 (35%) 1,144 (33%) 1,212 (39%)
Unknown 1,859 (25%) 241 (25%) 804 (23%) 814 (26%)
AmylaseCutoff300DT 7,357 <0.001
<300 4,731 (64%) 490 (56%) 2,629 (77%) 1,612 (52%)
>300 2,626 (36%) 387 (44%) 772 (23%) 1,467 (48%)
Unknown 174 105 29 40

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

2 Statistical tests performed: Kruskal-Wallis test; chi-square test of independence