Table 2. Preoperative body composition characteristics of HCC patients classified according to AT VO2 change.
| Variables | Maintenance (n = 78) |
Decrease (n = 28) |
P | ||
|---|---|---|---|---|---|
| Total weight by BIA (rate of change) | 97.1 | (94.8, 100.4) | 98.8 | (95.1, 103.0) | 0.425 |
| Skeletal muscle content by BIA | 99.6 | (98.1, 101.2) | 100.3 | (97.8, 101.9) | 0.464 |
| Fat content by BIA | 93.6 | (82.4, 103.3) | 97.2 | (84.5, 103.5) | 0.910 |
| BMI by BIA | 97.3 | (94.8, 100.4) | 98.9 | (95.1, 103.7) | 0.422 |
| Total weight by DEXA | 97.8 | (95.5, 100.1) | 98.5 | (96.0, 101.3) | 0.437 |
| Fat content by DEXA | 90.4 | (82.6, 102.2) | 99.9 | (88.8, 102.7) | 0.184 |
| Non-fat content by DEXA | 100.7 | (97.9, 103.3) | 99.4 | (97.4, 102.3) | 0.262 |
| AT VO2 | 105.8 | (98.5, 117.1) | 81.2 | (76.5, 87.8) | <0.001 |
| AT W | 109.4 | (98.4, 126.3) | 92.9 | (78.8, 104.4) | <0.001 |
| AT VE.VCO2 | 97.4 | (92.5, 103.2) | 104.9 | (99.2, 108.8) | <0.001 |
| Peak HR | 103.5 | (96.2, 110.1) | 97.5 | (88.3, 104.0) | 0.014 |
| Peak VO2 | 110.0 | (96.8, 122.0) | 97.4 | (84.6, 103.1) | <0.001 |
Data are shown as median (5th percentile, 95th percentile).
AT, anaerobic threshold; VO2, oxygen consumption; BMI, body mass index; BIA, bioelectrical impedance analysis; DEXA, dual-energy X-ray absorptiometry; W, Watt; VE, minute ventilation; VCO2, carbon dioxide output; HR, heart rate.