Table 4.
Subgroup analyses primary outcomes
| Outcome measure | Outcome Usual Care Mean SD | Outcome Experimental intervention Mean SD | Mean change Usual Care Mean SD | Mean change experimental intervention Mean SD | Differences between groups Mean 95% P-value |
| Subgroup RDQ baseline < 13 | |||||
| N | 22 | 25 | |||
| Primary outcomes | |||||
| RDQ (0–24) | 3.8 (3.0) | 3.8 (3.6) | 5.7 (3.4) | 5.7 (4.5) | 0.0002 {-2.4;2.3} 0.99 |
| MC (VAS) (0–100) * | 23.4 (23.5) | 18.5 (19.3) | 46.7 (30.0) | 50.4 (19.5) | -3.3 {-17.9;11.4} 0.65 |
| GPE n/ %# | 16 (72.7) | 20 (80.0) | -7.3 {-30.8;23.5} 0.55 | ||
| Subgroup RDQ baseline ≥ 13 | |||||
| N | 34 | 33 | |||
| Primary outcomes | |||||
| RDQ (0–24) | 8.7 (5.9) | 5.5 (5.5) | 6.4 (5.8) | 10.7 (6.0) | -4.3 {-7.0;-1.5} 0.003 |
| MC (VAS) (0–100) * | 29.0 (19.2) | 22.9 (24.7) | 38.0 (28.9) | 51.5 (28.5) | -13.4 {-27.4;0.6} 0.06 |
| GPE n/ %# | 21 (61.8) | 23 (69.8) | -8.0 {-22.5;14.6} 0.49 |
* First main complaint (MC) was selected, # ratings on a 7-point scale are dichotomized as improved (completely recovered and much improved) and not-improved (Slightly improved, not changed and slightly/ much/ vastly worsened)