Table 3 Effectiveness endpoints
Effectiveness endpoints | |||
|---|---|---|---|
|  | HIIT (n = 14) | MICT (n = 16) | p-value (between groups) |
 Oswestry disability index, baseline, median (IQR) | 26 (18) | 26 (13.25) | 0.67 |
 Oswestry disability index, 12 wk., median (IQR) | 18 (16) | 21(14.61) | 0.64 |
 p-value (within subjects) | 0.009 | 0.003 |  |
 Pain intensity last 3 weeks, Baseline, median (IQR) | 6 (3) | 5 (2) | 0.45 |
 Pain intensity last 3 weeks, 12 wk., median (IQR) | 3 (2) | 3 (2) | 0.95 |
 p-value (within subjects) | 0.003 | 0.001 |  |