Table 2 Baseline characteristics in LPD and OPD
Variables | LPD (n = 68) | OPD (n = 35) | ||||
|---|---|---|---|---|---|---|
Type I (n = 43) | Type II (n = 25) | P value | Type I (n = 14) | Type II (n = 21) | P value | |
Sex | Â | Â | 0.149 | Â | Â | 0.305 |
 Male | 18 (41.9) | 15 (60.0) |  | 5 (35.7) | 12 (57.1) |  |
 Female | 25 (58.1) | 10 (40.0) |  | 9 (64.3) | 9 (42.9) |  |
Age (years)a | 67.3 ± 12.1 | 69.0 ± 8.9 | 0.532 | 67.2 ± 10.8 | 63.4 ± 8.4 | 0.247 |
BMI (kg/m2)a | 23.0 ± 3.0 | 22.1 ± 2.9 | 0.240 | 23.3 ± 2.6 | 24.4 ± 3.1 | 0.271 |
ASA score | Â | Â | 0.490 | Â | Â | 1.000 |
 1 | 4 (9.3) | 4 (16.0) |  | 2 (14.3) | 3 (14.3) |  |
 2 | 32 (74.4) | 19 (76.0) |  | 11 (78.6) | 17 (81.0) |  |
 3 | 7 (16.3) | 2 (8.0) |  | 1 (7.1) | 1 (4.7) |  |
Main pancreatic duct size (mm) | Â | Â | 0.398 | Â | Â | 1.000 |
 ≤ 3 | 20 (46.5) | 9 (36.0) |  | 3 (21.4) | 5 (23.8) |  |
 > 3 | 23 (53.5) | 16 (64.0) |  | 11 (78.6) | 16 (76.2) |  |
Albumin (g/L)b | 41.0 (35.7, 45.0) | 39.5 (34.4, 42.0) | 0.130 | 41.8 (40.0, 43.1) | 41.0 (38.3, 42.0) | 0.448 |
Serum bilirubin (μmol/L)b | 15.5 (9.9, 56.5) | 29.6 (11.0, 162.4) | 0.182 | 12.2 (8.2, 24.5) | 62.1 (8.4, 211.5) | 0.419 |
CA19-9 (IU/mL)b | 30.0 (13.3, 91.6) | 69.0 (23.3,138.8) | 0.294 | 56.7 (29.1, 620.0) | 96.0 (28.0, 156.0) | 0.429 |
CEA (ng/mL)b | 2.5 (1.9, 3.4) | 2.9 (1.9, 3.8) | 0.558 | 3.7 (2.4, 7.8) | 2.3 (2.0, 4.7) | 0.288 |
Tumor size (mm)b | 25.0 (20.0, 32.5) | 25.0 (20.0, 30.0) | 0.742 | 30.0 (30.0, 38.8) | 30.0 (20.0, 35.0) | 0.226 |