Table 2 Radiographic review

impingement with the lateral trochanteric wall

0.011 ^a

 impingement

35(33.3%)

23(20.2%)

 Non-impingement

63(64.3%)

91(79.8%)

TAD

22.40 ± 4.43

23.39 ± 3.60

0.075^b

Helical blade position in all

0.006^c

Helical blade position(anteroposterior)

0.001^a

 Superior (1.2.3)

28(28.6%)

11(9.6%)

 Middle (4.5.6)

55(56.1%)

73 (64.0%)

 Inferior (7.8.9)

15(15.3%)

30(26.3%)

Helical blade position(lateral)

0.071^a

 Anterior (1.4.7)

18(18.4%)

35(30.7%)

 Middle (2.5.8)

54(55.1%)

59 (51.8%)

 Posterior (3.6.9)

26(26.5%)

20(17.5%)