| Characteristic | Overall N = 1,4571 |
0 N = 1,2301 |
1 N = 2271 |
p-value2 |
|---|---|---|---|---|
| Operation.Year | 6.0 (4.0, 9.0) | 6.0 (4.0, 9.0) | 8.0 (3.0, 11.0) | 0.4 |
| Unknown | 900 | 767 | 133 | |
| Type.of.Operation.collapsed | <0.001 | |||
| Distal pancreatectomy | 386 (26%) | 336 (27%) | 50 (22%) | |
| Other | 73 (5.0%) | 71 (5.8%) | 2 (0.9%) | |
| Total pancreatectomy | 22 (1.5%) | 20 (1.6%) | 2 (0.9%) | |
| Whipple | 976 (67%) | 803 (65%) | 173 (76%) | |
| MIS | 146 (10%) | 105 (8.5%) | 41 (18%) | <0.001 |
| IORT | 67 (4.6%) | 64 (5.2%) | 3 (1.3%) | 0.010 |
| Vascular.recon_cat | 0.4 | |||
| Complex | 50 (3.4%) | 41 (3.3%) | 9 (4.0%) | |
| None | 1,335 (92%) | 1,132 (92%) | 203 (89%) | |
| Simple | 72 (4.9%) | 57 (4.6%) | 15 (6.6%) | |
| Margin | 134 (9.2%) | 104 (8.5%) | 30 (13%) | 0.023 |
| Unknown | 1 | 1 | 0 | |
| EBL_num | 350 (200, 600) | 350 (200, 600) | 200 (100, 450) | <0.001 |
| Unknown | 174 | 163 | 11 | |
| X..of.Postop.Blood.Transfusions..72h.of.surgery.start.time. | 187 (13%) | 153 (12%) | 34 (15%) | 0.3 |
| Unknown | 1 | 1 | 0 | |
| Total.Blood.Transfused..in.units. | 2 (1, 4) | 2 (1, 4) | 2 (1, 3) | 0.5 |
| Unknown | 1,271 | 1,077 | 194 | |
| Neoadjuvant | <0.001 | |||
| - | 1 (<0.1%) | 1 (<0.1%) | 0 (0%) | |
| 0 | 1,119 (77%) | 972 (79%) | 147 (65%) | |
| 1 | 337 (23%) | 257 (21%) | 80 (35%) | |
| POPF | 105 (7.2%) | 83 (6.7%) | 22 (9.7%) | 0.12 |
| h.o.clots | 5 (0.3%) | 3 (0.2%) | 2 (0.9%) | 0.2 |
| Unknown | 14 | 12 | 2 | |
| Surgical.Length.of.Stay | 6 (5, 8) | 6 (5, 8) | 6 (5, 8) | 0.2 |
| Unknown | 2 | 1 | 1 | |
| Age.at.Time.of.Surgery | 65 (56, 73) | 64 (55, 72) | 71 (64, 79) | <0.001 |
| Sex | 0.12 | |||
| Female | 752 (52%) | 624 (51%) | 128 (56%) | |
| Male | 705 (48%) | 606 (49%) | 99 (44%) | |
| BMI | 25.9 (22.7, 29.7) | 25.9 (22.7, 29.7) | 25.9 (22.5, 29.3) | 0.6 |
| Unknown | 3 | 2 | 1 | |
| Diabetes.Mellitus | 0.002 | |||
| Insulin | 137 (9.4%) | 107 (8.7%) | 30 (13%) | |
| No | 1,171 (80%) | 1,008 (82%) | 163 (72%) | |
| Non-insulin | 149 (10%) | 115 (9.3%) | 34 (15%) | |
| Smoker | 187 (13%) | 167 (14%) | 20 (8.8%) | 0.049 |
| ASA.Classification | <0.001 | |||
| ASA I - Normal/Healthy | 15 (1.0%) | 15 (1.2%) | 0 (0%) | |
| ASA II - Mild systemic disease | 721 (49%) | 687 (56%) | 34 (15%) | |
| ASA III - Severe systemic disease | 704 (48%) | 518 (42%) | 186 (82%) | |
| ASA IV - Severe systemic disease threat to life | 17 (1.2%) | 10 (0.8%) | 7 (3.1%) | |
| X..of.Readmissions.w.in.30.days | 0.3 | |||
| 0 | 1,272 (87%) | 1,078 (88%) | 194 (85%) | |
| 1 | 182 (12%) | 150 (12%) | 32 (14%) | |
| 2 | 3 (0.2%) | 2 (0.2%) | 1 (0.4%) | |
| Major.CD..3a..complication | 211 (14%) | 175 (14%) | 36 (16%) | 0.5 |
| Death.within.30d.of.dc | 6 (0.4%) | 5 (0.4%) | 1 (0.4%) | >0.9 |
| X30d..VTE | 21 (1.4%) | 19 (1.5%) | 2 (0.9%) | 0.8 |
| 1 Median (Q1, Q3); n (%) | ||||
| 2 Wilcoxon rank sum test; Fisher’s exact test; Pearson’s Chi-squared test | ||||