Variables | Original cohort | P-value | Matched cohort | P-value | ||
---|---|---|---|---|---|---|
MIPD (N = 20) | OPD (N = 66) | MIPD (N = 17) | OPD(N = 34) | |||
Age (years) | 74.5 ± 6.77 | 72.48 ± 5.35 | 0.234 | 73.76 ± 5.68 | 73.70 ± 6.82 | 0.974 |
Male (Male) | 14 (70.0%) | 40 (60.6%) | 0.313 | 13 (76.5%) | 25 (73.5%) | 0.553 |
Malignancy (n, %) | 19 (95%) | 59 (84.9%) | 0.402 | 16 (94.1%) | 32 (94.1%) | > 0.999 |
CCI (n, %) | Â | Â | 0.211 | Â | Â | 0.558 |
 0 | 6 (30.0%) | 28 (42.4%) |  | 6 (35.3%) | 12 (35.3%) |  |
 1 | 6 (30.0%) | 22 (33.3%) |  | 6 (35.3%) | 12 (35.3%) |  |
 2 | 7 (35.0%) | 12 (18.2%) |  | 4 (23.5%) | 8 (23.5%) |  |
 3 | 0 (0%) | 3 (4.5%) |  | 0 (0%) | 2 (5.9%) |  |
 4 | 0 (0%) | 1 (1.5%) |  | 0 (0%) | 0 (0%) |  |
 5 | 1 (5.0%) | 0 (0%) |  | 1 (5.9%) | 0 (0%) |  |
ASA (n, %) | Â | Â | 0.388 | Â | Â | 0.463 |
 I | 0 (0%) | 0 (0%) |  | 0 (0%) | 0 (0%) |  |
 II | 5 (25.0%) | 21 (31.8%) |  | 4 (23.5%) | 10 (29.4%) |  |
 III | 15 (75.0%) | 45 (68.2%) |  | 13 (76.5%) | 24 (70.6%) |  |
Tumor type (n, %) | Â | Â | 0.402 | Â | Â | 0.583 |
 Benign | 1 (5.0%) | 6 (9.1%) |  | 1 (3.8%) | 2 (5.9%) |  |
 Ampullary cancer | 9 (45.0%) | 16 (24.2%) |  | 7 (41.2%) | 10 (29.4%) |  |
 CBD cancer | 4 (20.0%) | 11 (16.7%) |  | 3 (17.6%) | 8 (23.5%) |  |
 PDAC | 5 (25.0%) | 26 (39.4%) |  | 5 (29.4%) | 12 (35.3%) |  |
 IPMN | 0 (0%) | 3 (4.5%) |  | 0 (0%) | 2 (5.9%) |  |
 PNET | 0 (0%) | 3 (4.5%) |  | 0 (0%) | 0 (0%) |  |
 Duodenal cancer | 1 (5.0%) | 1 (1.5%) |  | 1 (5.9%) | 0 (0%) |  |
ECOG (n, %) | Â | Â | 0.008 | Â | Â | 0.042 |
 0 | 13 (65.0%) | 61 (92.4%) |  | 12 (70.6%) | 32 (94.1%) |  |
 1 | 5 (25.0%) | 4 (6.1%) |  | 3 (17.6%) | 2 (5.9%) |  |
 2 | 2 (10%) | 1 (1.5%) |  | 2 (11.8%) | 0 (0%) |  |
Tumor size (cm ± SD) | 2.98 ± 1.93 | 3.26 ± 1.49 | 0.562 | 2.8. ± 2.0 | 2.92 ± 1.25 | 0.844 |
Lymph node harvest (number ± SD) | 15.35 ± 8.26 | 19.42 ± 9.88 | 0.075 | 16.94 ± 8.56 | 17.44 ± 7.77 | 0.840 |
Pre-op bile drain (n, %) | 8 (66.7%) | 39 (59.1%) | 0.696 | 10 (58.8%) | 21(61.8%) | 0.537 |
Abdominal surgery history (n, %) | 4 (20.0%) | 13 (19.7%) | 0.601 | 3 (17.6%) | 8 (23.5%) | 0.462 |