| Time Points |
Numeric Pain Rating scale |
Oswestry Disability Index |
| Group I (60) |
Group II (60) |
Group I (60) |
Group II (60) |
| Mean ± SD |
Mean ± SD |
Mean ± SD |
Mean ± SD |
| Baseline |
8.0 ± 0.7 |
8.0 ± 1.0 |
31.0 ± 6.3 |
30.5 ± 8.4 |
| 3 months |
3.7* ± 1.3 (77%) |
3.7* ± 1.5 (83%) |
15.3* ± 5.3 (78%) |
15.2* ± 6.2 (77%) |
| 6 months |
3.6* ± 1.5 (75%) |
3.8* ± 1.7 (80%) |
15.1* ± 5.9 (73%) |
14.8* ± 6.4 (78%) |
| 12 months |
3.7* ± 1.6 (73%) |
3.7* ± 1.8 (77%) |
15.0* ± 6.4 (75%) |
14.4* ± 6.4 (75) |
| 18 months |
3.7* ± 1.8 (75%) |
3.8* ± 1.7 (75%) |
15.0* ± 7.2 (78%) |
14.4* ± 6.5 (77%) |
| 24 months |
3.8* ± 1.8 (72%) |
3.6* ± 1.7 (73%) |
15.1* ± 7.2 (75%) |
13.7* ± 6.4 (75%) |
| Group Difference |
0.841 |
0.781 |
| Time Difference |
0.001 |
0.001 |
| Group by Time Interaction |
0.954 |
0.569 |
Lower the value indicates better condition
* significant difference with baseline values within the group (P< 0.001)
(____) illustrates proportion with significant pain relief (≥ 50%) from baseline |
