Variable N Overall, N = 26,6521 Delayed Gastric Emptying p-value2
No, N = 23,3241 Yes, N = 3,3281
Age 26,652 65.00 (56.00, 73.00) 65.00 (56.00, 72.00) 67.00 (58.00, 74.00) <0.001
Sex 26,652 <0.001
female 13,195 (50%) 11,851 (51%) 1,344 (40%)
male 13,457 (50%) 11,473 (49%) 1,984 (60%)
Race 26,652 0.003
Black 2,278 (8.5%) 1,984 (8.5%) 294 (8.8%)
Other 1,252 (4.7%) 1,081 (4.6%) 171 (5.1%)
Unknown 3,357 (13%) 2,880 (12%) 477 (14%)
White 19,765 (74%) 17,379 (75%) 2,386 (72%)
BMIOWeight 26,539 0.012
Normal BMI 7,461 (28%) 6,594 (28%) 867 (26%)
Overweight 19,078 (72%) 16,644 (72%) 2,434 (74%)
Unknown 113 86 27
PAN_GASTDUO 26,652 <0.001
Antecolic fashion 2,280 (8.6%) 1,919 (8.2%) 361 (11%)
Not performed 2,131 (8.0%) 2,020 (8.7%) 111 (3.3%)
Retrocolic fashion 957 (3.6%) 777 (3.3%) 180 (5.4%)
Unknown 21,284 (80%) 18,608 (80%) 2,676 (80%)
PAN_CHEMO 26,652 <0.001
No 22,222 (83%) 19,429 (83%) 2,793 (84%)
Unknown 76 (0.3%) 55 (0.2%) 21 (0.6%)
Yes 4,354 (16%) 3,840 (16%) 514 (15%)
PAN_RADIO 26,652 0.002
No 24,860 (93%) 21,764 (93%) 3,096 (93%)
Unknown 93 (0.3%) 70 (0.3%) 23 (0.7%)
Yes 1,699 (6.4%) 1,490 (6.4%) 209 (6.3%)
Smoker 26,652 4,537 (17%) 4,049 (17%) 488 (15%) <0.001
Hypertension 26,652 13,912 (52%) 12,067 (52%) 1,845 (55%) <0.001
DYSPNEA 26,652 0.002
AT REST 36 (0.1%) 29 (0.1%) 7 (0.2%)
MODERATE EXERTION 1,379 (5.2%) 1,167 (5.0%) 212 (6.4%)
No 25,237 (95%) 22,128 (95%) 3,109 (93%)
Pancreatic Gland Texture 26,652 <0.001
Hard 6,422 (24%) 5,623 (24%) 799 (24%)
Intermediate 1,927 (7.2%) 1,656 (7.1%) 271 (8.1%)
Soft 8,213 (31%) 6,921 (30%) 1,292 (39%)
Unknown 10,090 (38%) 9,124 (39%) 966 (29%)
DIABETES 26,652 6,878 (26%) 6,022 (26%) 856 (26%) 0.92
Ascites 26,652 76 (0.3%) 60 (0.3%) 16 (0.5%) 0.037
Hx of CHF 30 Prior to Surgery 26,652 110 (0.4%) 96 (0.4%) 14 (0.4%) >0.99
DIALYSIS 26,652 108 (0.4%) 96 (0.4%) 12 (0.4%) 0.77
HXCOPD 26,652 1,071 (4.0%) 875 (3.8%) 196 (5.9%) <0.001
ASA Classification 26,652 <0.001
5-Moribund 14 (<0.1%) 11 (<0.1%) 3 (<0.1%)
I-II 6,588 (25%) 5,937 (25%) 651 (20%)
III-IV 20,026 (75%) 17,356 (74%) 2,670 (80%)
None assigned 24 (<0.1%) 20 (<0.1%) 4 (0.1%)
Pancreatic Duct Diameter 26,652 <0.001
<3 mm 5,557 (21%) 4,689 (20%) 868 (26%)
>6 mm 2,593 (9.7%) 2,265 (9.7%) 328 (9.9%)
3-6 mm 7,620 (29%) 6,451 (28%) 1,169 (35%)
Unknown 10,882 (41%) 9,919 (43%) 963 (29%)
PAN_MALIG_HISTOLOGIC 26,652
Ampullary carcinoma 1,257 (4.7%) 1,053 (4.5%) 204 (6.1%)
Cystadenocarcinoma 22 (<0.1%) 18 (<0.1%) 4 (0.1%)
Distal cholangiocarcinoma 475 (1.8%) 387 (1.7%) 88 (2.6%)
Duodenal carcinoma 524 (2.0%) 400 (1.7%) 124 (3.7%)
IPMN-invasive 557 (2.1%) 495 (2.1%) 62 (1.9%)
N/A 7,085 (27%) 6,349 (27%) 736 (22%)
Neuroendocrine-functioning 675 (2.5%) 622 (2.7%) 53 (1.6%)
Neuroendocrine-nonfunctioning 2,328 (8.7%) 2,105 (9.0%) 223 (6.7%)
Other type 1,661 (6.2%) 1,444 (6.2%) 217 (6.5%)
Pancreatic adenocarcinoma 11,927 (45%) 10,328 (44%) 1,599 (48%)
Unknown 141 (0.5%) 123 (0.5%) 18 (0.5%)
Fistula.Present 26,652 <0.001
No 21,588 (81%) 19,547 (84%) 2,041 (61%)
Unknown 201 (0.8%) 158 (0.7%) 43 (1.3%)
Yes 4,863 (18%) 3,619 (16%) 1,244 (37%)

1 Statistics presented: Median (IQR); n (%)

2 Statistical tests performed: Wilcoxon rank-sum test; chi-square test of independence; Fisher's exact test