[Table/Fig-14]:
Significance (P-value), df – degree of freedom.
| Statistical Method |
Comparison of the methods of injection |
Mean difference | Standard error | p-value | |||
|---|---|---|---|---|---|---|---|
| 6 months | 1 year | 6 months | 1 year | 6 month | 1 year | ||
| LSD | Transforaminal and Caudal | 2.35 | 2.53 | 0.55 | 0.57 | 0.000 | 0.000 |
| Transforaminal and Interlaminar | 1.65 | 1.83 | 0.81 | 0.83 | 0.043 | 0.030 | |
| Caudal and Interlaminar | -0.70 | -0.70 | 0.74 | 0.76 | 0.349 | 0.362 | |
| ANOVA | Efficacy of steroid in improving JOA (Between all three methods. |
Mean square | df | p-value | |||
| 6 months | 1 year | 6 month | 1 year | 6 month | 1 year | ||
| 73.972 | 85.880 | 2 | 2 | 0.000 | 0.000 | ||