Table 3.
Spectroscopy variable | Control (n = 16) | Patients (n = 34) | |||
---|---|---|---|---|---|
Pre-chemotherapy | Mid-chemotherapy | End-chemotherapy | One year | ||
Incremental maximal test plantar flexion test peak power output (W) | 15.7 (3.1) | 14.5 (3.5) | 14.7 (3.8) | 14.3 (3.8) | 14.6 (3.6) |
Submaximal 4-minute steady-state plantarflexion test power output (W) | 10.0 (1.9) | 8.9 (2.0) | 9.1 (2.1) | 8.9 (2.3) | 9.2 (2.2) |
Plantarflexion exercise efficiency (power output/VO2 reserve, W/mL/minute) | 0.25 (0.08) | 0.24 (0.07) | 0.22 (0.05) | 0.21 (0.07)ab | 0.23 (0.07) |
Cycle ergometer pulmonary VO2peak (mL/kg/minute) | 29.5 (7.7) | 27.5 (7.1) | n/a | 25.1 (6.7)a | 26.8 (7.0) |
Cycle ergometer pulmonary VO2peak (L/minute) | 2.13 (0.41) | 1.97 (0.49) | n/a | 1.82 (0.47)a | 1.94 (0.44) |
Leg press 1-repetition maximum (kg) | n/a | 86.2 (38.4) | n/a | 77.7 (30.9)a | 86.0 (29.3) |
Different from pre-chemotherapy (P ≤ .05).
Different from mid-chemotherapy (P ≤ .05).
n/a = not collected.