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Table 2.
Preoperative and postoperative HHS
| Minimum | Maximum | Mean | Standard deviation | ||
|---|---|---|---|---|---|
| Preoperative HHS | 13 | 48 | 30.8 | 9.7 | t = 27.1 |
| Preoperative HHS | 82 | 97 | 90.2 | 4.2 | P<0.05 |