Table 3 Comparison of the radiologic indices pre- and postoperatively for both groups

 Preoperatively^a

54.0° ± 5.2°

53.0° ± 5.6°

0.628

 Postoperatively^a

35.9° ± 4.9°

31.4° ± 6.2°

0.026^c

 Preoperatively^a

32.1° ± 3.3°

32.0° ± 3.4°

0.994

 Postoperatively^b

43.6° ± 2.8°

44.0° ± 4.7°

0.726

 Preoperatively^a

25.5° ± 1.9°

25.1° ± 3.3°

0.704

 Postoperatively^a

25.4° ± 1.8°

24.9° ± 2.4°

0.587