Table 1.
Baseline characteristics of the study population.
| Patient Characteristic | Laser % (n = 119) |
Conventional % (n = 32) |
p-Value |
|---|---|---|---|
| Age (years) * | 65.4 ± 11.5 | 64.7 ± 12.8 | 0.743 (t) |
| Sex | 0.269 (χ2) | ||
| Male | 58.0 (69) | 68.8 (22) | |
| Female | 42.0 (50) | 31.3 (10) | |
| ASA physical status grade | 0.146 (χ2) | ||
| 1 | 1.7 (2) | 0.0 (0) | |
| 2 | 30.3 (36) | 18.8 (6) | |
| 3 | 63.9 (76) | 68.8 (22) | |
| 4 | 4.2 (5) | 9.4 (3) | |
| 5 | 0.0 (0) | 3.1 (1) | |
| Parenchymal liver state | 0.270 (χ2) | ||
| Fibrosis | 10.9 (13) | 3.1 (1) | |
| Cirrhosis | 10.1 (12) | 12.5 (4) | |
| Steatosis | 5.0 (6) | 12.5 (4) | |
| Normal | 73.9 (88) | 71.9 (23) | |
| Diagnosis | 0.346 (χ2) | ||
| Primary liver malignancy | 19.3 (23) | 31.3 (10) | |
| Secondary liver malignancy | 67.2 (80) | 56.3 (18) | |
| Benign liver disease | 13.4 (16) | 12.5 (4) | |
| Resected Nodules * | |||
| Number | 2.1 ± 2.0 | 2.1 ± 1.5 | 0.913 (t) |
| Extend of hepatic resection | 0.659 (χ2) | ||
| Atypical | 31.9 (38) | 34.4 (11) | |
| Minor | 42.9 (51) | 34.4 (11) | |
| Major | 25.2 (30) | 31.3 (10) |
Values are percentages, values in parentheses are absolute unless indicated otherwise, * values are mean (±s.d.); χ2 Pearson’s Chi-squared test; t Student’s t-test.