Table 3.
Outcome quality parameters.
| Outcome | Laser % (n = 119) |
Conventional % (n = 32) |
p-Value |
|---|---|---|---|
| Resection margin | |||
| Negative (R0) | 93.2 (96) | 89.3 (25) | 0.256 (χ2) |
| Positive (R1) | 5.8 (6) | 7.1 (2) | 0.077 (F) |
| Length of stay | |||
| Intense care unit (days) ** | 1 (0–2) | 3 (1–5.75) | <0.001 (M) |
| Hospital (days) ** | 13 (10–19) | 14 (9.25–19.75) | 0.656 (M) |
| Reoperation rate | 2.5 (3) | 3.1 (1) | 1.000 (F) |
| Reintervention rate | 9.2 (11) | 21.9 (7) | 0.050 (χ2) |
| Mortality | 1.7 (2) | 3.1 (1) | 0.513 (F) |
| Morbidity | 41.2% (49) | 59.4% (19) | 0.066 (χ2) |
| Postoperative complications (Clavien–Dindo) | 0.066 (χ2) | ||
| Grade I | 13.4% (16) | 15.6% (5) | |
| Grade II | 12.6% (15) | 15.6% (5) | |
| Grade III a | 9.2% (11) | 15.6% (5) | |
| Grade III b | 2.5% (3) | 0.0% (0) | |
| Grade IV a | 1.7% (2) | 9.4% (3) | |
| Grade IV b | 0.0% (0) | 0.0% (0) | |
| Grade V (death) | 1.7% (2) | 3.1% (1) | 0.513 (F) |
| Postoperative complications dependent on extent of resection | |||
| Atypical | 21.1 (8) | 45.5 (5) | 0.106 (χ2) |
| Minor | 43.1 (22) | 45.5 (5) | 1.000 (F) |
| Major | 63.3 (19) | 90.0 (9) | 0.231 (F) |
Values are percentages, values in parentheses are absolute unless indicated otherwise, ** 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.