Table 4. Mean of total dose of tramadol administered in 24 hours after surgery.
SD: standard deviation
| Dose (in mg) | Group A | Group B | Group C |
| Mean | 176.7 | 170 | 286.7 |
| SD | 50.40 | 46.60 | 34.57 |
| Range | 100-200 | 100-300 | 100-300 |
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