Cardiopulmonary exercise testing parameters in cancer survivors and normal controls by age at test
| Total | <13 y | 13–21 y | ||||
|---|---|---|---|---|---|---|
| Survivors (n = 84) | Controls (n = 79) | Survivors (n = 33) | Controls (n = 47) | Survivors (n = 51) | Controls (n = 32) | |
| VO2 max, oxygen consumption at peak exercise; VO2 AT, oxygen consumption at anaerobic threshold; VE, minute ventilation at peak exercise; RER, respiratory exchange ratio at peak exercise; BP, blood pressure at peak exercise. | ||||||
| *p<0.001. | ||||||
| VO2 max (ml/kg/m2) | 36.5 (7.7) | 38.2 (8.2) | 34.0 (5.7) | 38.9 (6.7)* | 38.1 (8.4) | 37.1 (10) |
| VO2 AT (ml/ Kg/m2) | 24.4 (5.6) | 24.4 (6.9) | 23.6 (3.8) | 24.6 (5.7) | 24.9 (6.6) | 24.2 (8.5) |
| VE (l/m2) | 67.9 (23.3) | 64.5 (21.8) | 52.1 (12.5) | 56.4 (19.0) | 78.2 (23.0) | 76.3 (20.4) |
| RER | 1.1 (0.1) | 1.1 (0.1) | 1.1 (0.1) | 1.1 (0.1) | 1.1 (0.1) | 1.1 (0.1) |
| O2 pulse (ml/beat) | 10.1 (4.1) | 9.6 (3.8) | 6.8 (1.8) | 7.6 (2.7) | 12.3 (3.8) | 12.4 (3.6) |
| Heart rate | 192 (13) | 189 (17) | 193 (11) | 189 (16) | 191 (14) | 189 (17) |
| Systolic BP (mm Hg) | 147 (23) | 148 (25) | 132 (15) | 134 (15) | 157 (22) | 168 (23) |