Table 3. Mean time of rescue analgesia (in min).
SD: standard deviation
| Duration (in minutes) | Group A | Group B | Group C |
| Mean | 382.6 | 502.3 | 137.8 |
| SD | 119.16 | 101.08 | 44.48 |
| Range | 220-570 | 220-550 | 60-205 |
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