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Table 1 Baseline patient characteristics

From: Comparison of risk-scoring systems in the prediction of outcome after liver resection

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)
  1. Demographic and operative characteristics of 172 liver resections in 168 patients who had preoperative CPET
  2. RFA radiofrequency ablation