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Grading of pain improvement 4 weeks after each session of block
| Grade | 1st injection | 2nd injection | 3rd injection | |||
|---|---|---|---|---|---|---|
|
|
|
|
||||
| n | %age | n | %age | n | %age | |
| 0 | 14 | 26.92 | 3 | 5.77% | 1 | 1.92% |
| 1 | 15 | 28.8 | 4 | 7.69% | 3 | 5.77% |
| 2 | 15 | 28.8 | 24 | 46.15% | 9 | 17.31% |
| 3 | 8 | 15.3 | 18 | 34.62% | 13 | 25.00% |
| 4 | 0 | 0 | 3 | 5.77% | 26 | 50.00% |
