Table 1. Comparison of Preoperative and Intraoperative Variables Between Cohorts Undergoing OPD or RPD Before and After Propensity Score-Matching (Model 1).
| Variable | No. (%) | |||||
|---|---|---|---|---|---|---|
| Before Propensity Score-Matching | After Propensity Score-Matching | |||||
| OPD | RPD | P Value | OPD | RPD | P Value | |
| Patients | 2661 (93.5) | 185 (6.5) | 152 (50.0) | 152 (50.0) | ||
| Gland texture | <.001 | >.99 | ||||
| Firm/hard | 1305 (49.0) | 61 (33.0) | 58 (38.2) | 58 (38.2) | ||
| Soft | 1356 (51.0) | 124 (67.0) | 94 (61.8) | 94 (61.8) | ||
| Pathologic findings of high-risk disease? | .27 | >.99 | ||||
| No, PDAC/pancreatitis | 1405 (52.8) | 90 (48.6) | 81 (53.3) | 81 (53.3) | ||
| Yes, other pathologic findings | 1256 (47.2) | 95 (51.4) | 71 (46.7) | 71 (46.7) | ||
| Pancreatic duct diameter, mm | <.001 | >.99 | ||||
| ≥5 | 730 (27.4) | 67 (36.2) | 57 (37.5) | 57 (37.5) | ||
| 4 | 527 (19.8) | 20 (10.8) | 18 (11.8) | 18 (11.8) | ||
| 3 | 739 (27.8) | 41 (22.2) | 37 (24.3) | 37 (24.3) | ||
| 2 | 539 (20.3) | 38 (20.5) | 32 (21.1) | 32 (21.1) | ||
| ≤1 | 126 (4.7) | 19 (10.3) | 8 (5.3) | 8 (5.3) | ||
| Intraoperative blood loss, mL | <.001 | >.99 | ||||
| ≤400 | 1431 (53.8) | 147 (79.5) | 123 (80.9) | 123 (80.9) | ||
| 401-700 | 608 (22.8) | 21 (11.4) | 16 (10.5) | 16 (10.5) | ||
| 701-1000 | 287 (10.8) | 9 (4.9) | 7 (4.6) | 7 (4.6) | ||
| >1000 | 335 (12.6) | 8 (4.3) | 6 (3.9) | 6 (3.9) | ||
| Operative factors | ||||||
| Type of reconstruction | .04 | >.99 | ||||
| Pancreaticojejunostomy | 2569 (96.5) | 185 (100) | 152 (100) | 152 (100) | ||
| Pancreaticogastrostomy | 91 (3.4) | 0 | 0 | 0 | ||
| None, occlusion | 1 (0.04) | 0 | 0 | 0 | ||
| Intraoperative drain placement? | <.001 | |||||
| No | 205 (7.7) | 0 | 0 | 0 | ||
| Yes | 2456 (92.3) | 185 (100) | 152 (100) | 152 (100) | ||
| Transanastomotic stent placement? | <.001 | >.99 | ||||
| No | 1500 (56.4) | 9 (4.9) | 9 (5.9) | 9 (5.9) | ||
| Internal | 548 (20.6) | 176 (95.1) | 143 (94.1) | 143 (94.1) | ||
| External | 613 (23.0) | 0 | 0 | 0 | ||
| Prophylactic octreotide? | .001 | >.99 | ||||
| No | 1826 (68.6) | 105 (56.8) | 100 (65.8) | 100 (65.8) | ||
| Yes | 835 (31.4) | 80 (43.2) | 52 (34.2) | 52 (34.2) | ||
Abbreviations: OPD, open pancreatoduodenectomy; PDAC, pancreatic ductal adenocarcinoma; RPD, robotic pancreatoduodenectomy.