Table 1 Intraoperative and postoperative procedure-related events
Event | Group S(n = 30) | Group N(n = 28) | Statistical value | P value |
|---|---|---|---|---|
Time of operation (min) | 180.00(130.00 to 251.25) | 235.00(171.25 to 320.00) | Z=-1.736 | 0.083 |
Intraoperative blood loss(ml) | 300.00(142.50 to 450.00) | 300.00(100.00 to 450.00) | Z=-0.165 | 0.8869 |
Intraoperative blood transfusion | 9(30.0%) | 15(53.6%) | χ2 = 3.317 | 0.069 |
Plasma only | 4(13.3%) | 7(25%) | Â | Â |
Erythrocyte only | 0(0%) | 0(0%) | Â | Â |
Plasma + Erythrocytes | 5(16.7%) | 8(28.6%) |  |  |
Vasoactive drug intervention was required during the operation | 14(43.3%) | 20(71.4%) | χ2 = 4.661 | 0.031 |
Single dosage | 10(33.3%) | 15(53.6%) | Â | Â |
Pump injection | 3(10%) | 5(17.9%) | Â | Â |
Postoperative vasoactive drug intervention was required | 0 | 0 | Â | Â |
Extubation time after the end of anesthesia (min) | 20.00(10.00 to 32.50) | 15.00(7.00 to 30.00) | Z=-1.528 | 0.127 |
Postoperative complications Clavien-Dindo Classification |  |  | χ2 = 1.809 | 0.179 |
I | 3(10%) | 2(7.1%) | Â | Â |
II | 14(46.7%) | 15(53.6%) | Â | Â |
IIIa | 3(10%) | 6(21.4%) | Â | Â |
IIIb | 0 | 0 | Â | Â |
IVa | 0 | 0 | Â | Â |
IVb | 0 | 0 | Â | Â |
V | 0 | 0 | Â | Â |
Additional cases of tramadol analgesia were required within 48 h | 6(19.4%) | 2(7.1%) | χ2 = 1.077 | 0.299 |
Use once | 4(13.3%) | 2(7.1%) | Â | Â |
Use twice | 2(7.1%) | 0(0%) | Â | Â |
The first postoperative exhaust time (h) | 44.25(29.00 to 60.00) | 50.00(40.00 to 68.00) | Z=-1.277 | 0.202 |
Postoperative fluid intake time (h) | 23.50(18.00 to 45.00) | 41.00(22.00 to 44.00) | Z=-1.712 | 0.087 |
Postoperative semisolid diet intake time (h) | 64.50(42.38 to 69.50) | 67.00(48.00 to 75.00) | Z=-0.981 | 0.326 |
Number of hepatic segments involved in liver resection |  |  | χ2 = 4.481 | 0.236 |
1 hepatic segment | 15(50%) | 10(35.7%) | Â | Â |
2 hepatic segments | 10(33.3%) | 7(25%) | Â | Â |
3 hepatic segments | 3(10%) | 9(32.1%) | Â | Â |
4 hepatic segments | 2(6.7%) | 2(7.1%) | Â | Â |
Postoperative pathology | Â | Â | Â | Â |
Benign /Malignant | 18/12 | 13/15 | χ2 = 1.072 | 0.300 |
Hepatocellular carcinoma | 9(30%) | 10(35.7%) | Â | Â |
Intrahepatic Cholangiocarcinoma | 2(6.7%) | 2(7.1%) | Â | Â |
Benign liver tumors | 7(23.3%) | 1(3.6%) | Â | Â |
Intra-and extrahepatic bile duct stone | 4(13.3%) | 10(35.7%) | Â | Â |
Atrophy of liver cirrhosis | 0(0%) | 1(3.6%) | Â | Â |
Liver metastases | 1(3.3%) | 3(10.7%) | Â | Â |
Hepatic hemangioma | 7(23.3%) | 1(3.6%) | Â | Â |
Pringle maneuvers were used | 23(76.7%) | 22(78.6%) | χ2 = 0.030 | 0.862 |