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Spearman rank correlation coefficient between HGS and Koval score.
| Variables | Koval score | ||
|---|---|---|---|
| Preoperative period | 6 months postoperatively | 12 months postoperatively | |
| Preoperative HGS | −0.184 (P = 0.104) | −0.295 (P = 0.008) | −0.266 (P = 0.019) |
| Postoperative HGS | −0.192 (P = 0.090) | −0.432 (P < 0.001) | −0.344 (P = 0.002) |
HGS handgrip strength.
