Table 2.
Operative Parameter | Laser % (n = 119) |
Conventional % (n = 32) |
p-Value |
---|---|---|---|
Duration of operation (min) * | 250.2 ± 108.5 | 243.9 ± 109.3 | 0.770 (t) |
Stapling loads (amount) * | 2.7 ± 3.6 | 4.6 ± 5.0 | 0.017 (t) |
Sealants | |||
Use of sealants | 37.8 (45) | 65.6 (21) | 0.005 (χ2) |
Sealants (amount) * | 0.5 ± 0.7 | 0.8 ± 0.8 | 0.010 (t) |
Pringle maneuver | |||
Portal triade clamping | 3.4 (4) | 15.6 (5) | 0.021 (F) |
Duration of clamping (min) * | 7.5 ± 6.4 | 20.4 ± 9.3 | 0.051 (t) |
Total intraoperative blood loss (mL) ** | 300 (200–550) | 500 (212.5–1950) | 0.005 (M) |
Intraoperative transfusion | |||
Percentage | 13.4 (16) | 40.6 (13) | 0.001 (χ2) |
PRBCs transfused per operation (amount) * | 0.4 ± 1.1 | 2.6 ± 4.9 | <0.001 (t) |
Values are percentages, values in parentheses are absolute unless indicated otherwise, * values are mean (±s.d.), ** values are medians (i.q.r); χ2 Pearson’s Chi-squared test; t Student’s t-test; F Fischer’s exact test; M Mann–Whitney U test. PRBC packed red blood cells.