Table 3.
Changes in duration and severity of morning stiffness in the two groups.
| Examination | SMF Group | PEMF Group | Significance of Differences between Groups (p) (b) | ||
|---|---|---|---|---|---|
| Mean (95 c.i.) | Std. Dev. | Mean (95 c.i.) | Std. Dev. | ||
| Duration of Morning Stiffness [min] | |||||
| Before therapy | 63.6 (36.3; 90.8) | 51.1 | 114.1 (75.1; 153.0) | 73.1 | 0.0513 |
| After therapy | 31.3 (12.4; 50.1) | 35.4 | 100.0 (61.0; 139.0) | 73.2 | 0.0022 ** |
| Therapy effect | −32.3 (−53.5; −11.1) | 39.9 | −14.1 (−30.4; 2.3) | 30.6 | 0.3226 |
| Significance of therapy effects (p) (a) | 0.0051 ** | 0.0756 | |||
| Severity of Morning Stiffness | |||||
| Before therapy | 45.0 (32.1; 57.9) | 24.2 | 45.0 (34.4; 55.6) | 19.9 | 0.9260 |
| After therapy | 26.3 (14.4; 38.1) | 22.2 | 33.4 (21.1; 45.7) | 23.1 | 0.4016 |
| Therapy effect | −18.8 (−30.6; −6.9) | 22.2 | −11.6 (−23.0; −0.1) | 21.4 | 0.4450 |
| Significance of therapy effects (p) (a) | 0.0080 ** | 0.0528 | |||
(a) Result of Wilcoxon test. (b) Result of Mann–Whitney test. Statistically significant values: **—p < 0.01.