| Group I | Group II | t test | P |
Preoperative angle of deviation | 37.78 ± 8.09 | 40.65 ± 9.08 | 1.4 | 0.16 |
Amount of Recession | 16.09 ± 2.48 | 17.03 ± 2.97 | 1.4 | 0.08 |
Postoperative angle 1 m median range | 0 (−6/5) | −2 (−7/4) | mann-Whitney 477.0 | 0.01* |
Postoperative angle 3 m median range | 0 (−6/5) | −2 (−5/3) | mann-Whitney 385 | 0.12 |
Postoperative angle 6 m median range | 0 (−6/5) | −2 (−6/4) | mann-Whitney 367 | 0.16 |
Postoperative angle 12 m median range | 0 (−6/5) | −2 (−6/4) | mann-Whitney 388 | 0.13 |