From: The aerobic capacity in patients with antisynthetase syndrome and dermatomyositis
 | DM (n = 13) | ASS (n = 9) | CTR (n = 17) | P | ||
---|---|---|---|---|---|---|
DM vs. CTR | ASS vs. CTR | DM vs. ASS | ||||
VO2 peak (mL/kg/min) | 19.4 ± 3.9 | 16.5 ± 3.1 | 22.4 ± 4.5 | 0.121 | 0.003 | 0.239 |
VO2 peak (L/min) | 1.4 (1.1–1.7) | 1.4 (1.2–1.6) | 1.7 (1.3–1.8) | 0.212 | 0.367 | > 0.999 |
Anaerobic threshold (min) | 5.1 ± 1.5 | 3.7 ± 0.9 | 5.2 ± 1.2 | 0.965 | 0.016 | 0.037 |
Respiratory compensation point (min) | 9.6 ± 1.7 | 7.6 ± 2.2 | 10.6 ± 2.4 | 0.383 | 0.003 | 0.087 |
Time-to-exhaustion (min) | 11.1 ± 2.0 | 9.0 ± 2.1 | 12.7 ± 2.2 | 0.134 | < 0.001 | 0.061 |