| All (n = 562) | PCA-NH (n = 428) | PCA-H (n = 134) | P-value | ||
---|---|---|---|---|---|---|
Median (IQR) | n (%) | Median (IQR) | n (%) | Median (IQR) | ||
Age (years old) | 57.00 (48.00, 65.00) | Â | 59.00 (49.00, 65.00) | Â | 53.78 (44.83, 61.58) | 0.002* |
Gender | ||||||
 Male |  | 230 (72.8) |  | 86 (27.2) |  | 0.034* |
 Female |  | 198 (80.5) |  | 48 (19.5) |  |  |
BMI (kg/m2) | 22.7 (20.8, 22.3) | Â | 22.60 (20.67, 25.16) | Â | 23.35 (21.22, 25.30) | 0.307 |
Intraoperative blood loss (ml) | 200 (100, 500) | Â | 200.00 (100.00, 500.00) | Â | 292.31 (141.67, 714.29) | 0.001* |
Operative time (min) | 210 (160, 300) | Â | 205 (156.25, 285.00) | Â | 245.38 (182.08, 320.00) | 0.002* |
Intraoperative transfusion | ||||||
 No |  | 289 (79.4) |  | 75 (20.6) |  | 0.015* |
 Yes |  | 139 (70.2) |  | 59 (29.8) |  |  |
RBC (u) | 0 (0, 2.00) | Â | 0 (0, 1.50) | Â | 0.73 (0, 2.11) | 0.164 |
FFP (ml) | 0 (0, 352.50) | Â | 0 (0, 315.00) | Â | 1.42 (0, 385.71) | 0.034* |
Extent of resection | ||||||
 Minor hepatic resection |  | 246 (90.4) |  | 26 (9.6) |  | < 0.001* |
 Major hepatic resection |  | 182 (62.8) |  | 108 (37.2) |  |  |
Surgical approach | ||||||
 Laparoscope |  | 251 (83.1) |  | 51 (16.9) |  | < 0.001* |
 Open |  | 177 (68.1) |  | 83 (31.9) |  |  |
ASA classification | ||||||
 I + II |  | 386 (76.3) |  | 120 (23.7) |  | 0.831 |
 III |  | 42 (75.0) |  | 14 (25.0) |  |  |
Introperative DEX | ||||||
 No |  | 52 (77.6) |  | 15 (22.4) |  | 0.766 |
 Yes |  | 376 (76.0) |  | 119 (24.0) |  |  |
Postoperative NSAIDs | ||||||
 No |  | 301 (76.8) |  | 91 (23.2) |  | 0.595 |
 Yes |  | 127 (74.7) |  | 43 (25.3) |  |  |
PONV | ||||||
 No |  | 404 (77.0) |  | 121 (23.0) |  | 0.095 |
 Yes |  | 24 (64.9) |  | 13 (35.1) |  |  |
Resting pain score on POD1 | 2 (0, 3) | Â | 2 (0.25, 3) | Â | 2 (0,3) | 0.251 |
Movement pain score on POD1 | 5 (4, 6) | Â | 5 (4, 6) | Â | 5 (5,6) | 0.503 |
Resting pain score on POD2 | 1 (0, 2) | Â | 1 (0,2) | Â | 1 (0,2) | 0.823 |
Movement pain score on POD2 | 3 (3, 4) | Â | 3 (3,4) | Â | 4 (3,4) | 0.056 |
Sufentanil dosage 24 h (μg) | 50 (34, 75) |  | 42.00 (31.00, 56.75) |  | 98.00 (80.00,118.00) | < 0.001* |
Sufentanil dosage 48 h (μg) | 91 (64, 133) |  | 77.00 (60.00, 101.75) |  | 173.00 (149.75, 205.75) | < 0.001* |