Table 2.
SPADI, NPRS and PROM and comparison in outcomes between three groups
| Injection group Steroid alone (IS) | Injection group Steroid and saline (ISD) | Treatment-as-usual (TAU) | |
|---|---|---|---|
| Mean (SD) | Mean (SD) | Mean (SD) | |
| Primary outcome variable | |||
| SPADI | |||
| At inclusion | 63.8 (16.0) | 60.5 (16.8) | 61.9 (19.0) |
| 4 weeks | 34.1 (21.4) | 30.9 (21.0) | 51.9 (22.2) |
| 8 weeks | 23.8 (22.0) | 20.1 (18.4) | 44.4 (23.6) |
| 12 months | 16.9 (18.9) | 17.2 (19.8) | 11.7 (20.3) |
| Secondary outcome variable | |||
| NPRS | |||
| At inclusion | 6.9 (1.4) | 7.2 (1.6) | 6.6 (2.1) |
| 4 weeks | 3.8 (2.2) | 3.5 (1.7) | 5.6 (2.5) |
| 8 weeks | 3.0 (2.3) | 2.9 (1.6) | 4.7 (2.0) |
| Tertiary outcome variables | |||
| Abduction (ABD) | |||
| At inclusion | 53.7 (13.4) | 51.0 (17.8) | 50.5 (19.0) |
| 4 weeks | 62.7 (15.6) | 64.7 (17.2) | 53.9 (19.4) |
| 8 weeks | 68.9 (15.3) | 71.9 (17.0) | 56.5 (20.9) |
| External rotation (ER) | |||
| At inclusion | 19.6 (14.7) | 25.2 (17.7) | 17.3 (13.5) |
| 4 weeks | 30.1 (16.3) | 35.6 (15.8) | 18.8 (14.8) |
| 8 weeks | 38.2 (17.6) | 42.7 (17.9) | 24.0 (18.1) |
| Internal rotation (IR) | |||
| At inclusion | 38.8 (15.5) | 41.1 (14.1) | 40.2 (15.4) |
| 4 weeks | 49.5 (17.4) | 52.7 (17.3) | 43.7 (16.6) |
| 8 weeks | 57.2 (15.7) | 59.6 (16.1) | 47.3 (18.2) |
| Hand behind back (HBB) | |||
| At inclusion | 0.4 (6.2) | 2.2 (7.8) | −0.5 (6.0) |
| 4 weeks | 5.9 (7.2) | 7.5 (7.8) | 1.0 (6.1) |
| 8 weeks | 10.1 (6.3) | 11.2 (7.2) | 4.3 (6.5) |
SPADI shoulder pain and disability index, NPRS numeric pain rating scale, PROM passive range of motion
IS injection steroid alone, ISD injection steroid plus saline, TAU treatment-as-usual