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Showing mean morphine requirement (mg/24hrs) in different procedures.
| Arthroscopic Shoulder Procedure | ISB (SD) (no of pts) | IA (SD) (no of pts) | P Value∗ |
|---|---|---|---|
| Soft tissue Surgery (n = 39) | 2.77 (1.5) (20) | 10.44 (3.6) (19) | 0.005 |
| Bone shaving + Soft tissue Surgery (n = 66) | 5.66 (2.7) (32) | 23.23 (7.2) (34) | <0.0001 |
∗Student t-test.
