Table 3.
Comparison of Numeric Pain Rating Scale for back pain and leg pain between the groups over time.
| Time | Numeric Pain Rating Scale (Back) |
Numeric Pain Rating Scale (Leg) |
||
|---|---|---|---|---|
| FJI Group (87) |
PRI Group (109) |
FJI Group (87) |
PRI Group (109) |
|
| Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | |
| Baseline †‡ | 6.9 ± 1.7 | 5.7 ± 1.7 | 4.2 ± 2.8 | 7.2 ± 1.7 |
| After intervention † | 2.4 * ± 1.6 | 1.3 * ± 1.4 | 1.2 * ± 1.7 | 1.8 * ± 1.4 |
| 6 weeks †‡ | 4.6 * ± 2.3 | 2.6 * ± 2.1 | 2.6 * ± 2.5 | 3.5 * ± 2.3 |
| 3 months † | 5.7 * ± 1.9 | 2.9 * ± 2.3 | 3.4 * ± 2.5 | 3.9 * ± 2.6 |
| 6 months † | 5.7 * ± 2.0 | 2.8 * ± 2.4 | 3.4 * ± 2.5 | 3.6 * ± 2.6 |
| 12 months † | 6.0 * ± 1.9 | 3.6 * ± 2.6 | 4.5 ± 2.5 | 4.0 * ± 2.9 |
| ptreatment | <0.001 | 0.009 | ||
| ptime | <0.001 | <0.001 | ||
| ptreatment × time | <0.001 | <0.001 | ||
p-values from 2-sided 2-way ANOVA for repeated measures; * indicates significant improvement in posthoc tests in comparison to baseline values (p < 0.001); † indicates a significant difference in posthoc tests between the means of NRSback of the 2 groups at the specified time (p < 0.05); ‡ indicates a significant difference in posthoc tests between the means of NRSleg of the 2 groups at the specified time (p < 0.05) SD—single standard deviation.