Table 3.
Illustration of functional assessment scores by the Neck Disability Index and proportion of patients with significant improvement (≥ 50%).
| Neck Disability Index | Group I (60) |
Group II (60) |
P value |
|---|---|---|---|
| Mean ± SD | Mean ± SD | ||
| Baseline | 29.6 ± 5.3 | 29.2 ± 6.1 | 0.678 |
| 3 months | 14.7* ± 5.5 (85%) |
15.6* ± 6.3 (70%) |
0.394 |
| 6 months | 13.8* ± 5.4 (83%) |
15.3* ± 6.9 (73%) |
0..183 |
| 12 months | 13.8* ± 5.7 (75%) |
15.1* ± 7.0 (68%) |
0.267 |
Percentages in parentheses indicate the proportion of patients with significant relief (≥ 50% reduction in Neck Disability Index from baseline)
* indicates significant difference with baseline values (P < 0.01)