Table 1.
Baseline patient characteristics
| Age (median [range]) | 69 (22–90) | CPET parameters | |
|---|---|---|---|
| Gender (%) | |||
| Male | 119 (69.2) | VO2 at AT (ml/kg/min, [range]) | 12.5 (5.6–23.1) |
| Female | 53 (30.8) | ||
| Diagnosis (%) | |||
| Colorectal metastases | 134 (77.9) | VO2 peak (ml/kg/min, [range]) | 18.9 (6.4–35.5) |
| Hepatoma | 12 (7) | 11.8 (5–25.3) | |
| Neuroendocrine tumour | 6 (3.5) | Oxygen pulse (ml/beat, [range]) | |
| Other | 20 (11.6) | ||
| ASA (%) | |||
| I | 8 (4.7) | 14.9 (7.8–26.6) | |
| II | 93 (54.1) | Relative oxygen pulse (100 ml/beat/kg, [range]) | |
| III | 70 (40.7) | ||
| IV | 1 (0.6) | ||
| CCI (median [range]) | 4 (0–9) | Resting heart rate (beats/min, [range]) | 77 (39–119) |
| Preoperative chemotherapy (%) | Peak heart rate (beats/min, [range]) | 132 (79–180) | |
| Yes | 62 (36) | 29.6 (17.1–49.9) | |
| No | 94 (54.7) | ||
| Unknown | 16 (9.3) | VEeqCO2 at AT (range) | |
| RFA used (%) | |||
| Yes | 11 (6.4) | ||
| No | 161 (93.6) | ||
| Number of segments resected (%) | |||
| 1 | 46 (26.7) | ||
| 2 | 13 (7.6) | ||
| 3 | 14 (8.1) | ||
| 4 | 64 (37.2) | ||
| 5 | 31 (18) | ||
| 6 | 4 (2.3) | ||
Demographic and operative characteristics of 172 liver resections in 168 patients who had preoperative CPET
RFA radiofrequency ablation