Table 2 Data characteristics of the submaximal and maximal tests used for the evaluation of criterion validity in patients with JIA and controls
Patients with JIA (n = 59) | Controls (n = 59) | ||
|---|---|---|---|
Maximal test | |||
VO2peak (mL∙kg−1∙min−1) | 45.1 (8.5) | 46.5 (8.5) | |
Running distance (m) | 909 (236) | 968 (190) | |
Peak HR (beats/min) | 196 (9) | 197 (7) | |
Borg 6–20 | 18.9 (1.9) | 18.5 (1.0) | |
Respiratory exchange ratio | 1.27 (0.12) | 1.23 (0.10) | |
Test time (sec) | 527 (99) | 554 (76) | |
Speed (km/h) | 8.3 (0.9) | 8.5 (0.7) | |
Gradient (%) | 11.5 (1.7) | 11.8 (1.4) | |
Submaximal test | |||
Estimated VO2peak(mL∙kg−1∙min−1) | 43.6 (9.9) | 44.6 (7.9) | |
Walking distance (m) | 751 (91) | 739 (67) | |
Speed (km/h) | 6.2 (0.8) | 6.2 (0.6) | |
3 min | HR (beats/min) | 134 (9) | 132 (9) |
Borg 6–20 | 9.6 (2.0) | 9.4 (2.2) | |
8 min | HR (beats/min) | 163 (14) | 159 (14) |
Borg 6–20 | 13.0 (2.2) | 12.4 (2.2) | |