Table 4 Range of motion, type of impingement, and number of hips achieving the required ROM for daily activities in the group that did not undergo resection of the top of the greater trochanter group and the group that did

ROM (degree)

 Flex

119.0 [113.3–124.8]

119.5 [114.3–125.8]

0.716^a

 IR

33.5 [27.3–41.0]

39.0 [30.3–43.8]

0.115^a

 ER

19.0 [4.0–28.8]

36.0 [30.5–39.0]

 < 0.001^a

 Ab

23.0 [8.5–38.8]

49.5 [40.0–57.8]

 < 0.001^a

Impingement type (n, bony/implant)

 Flex

38/0

38/0

-

 IR

31/7

32/6

0.050^b

 ER

26/12

21/17

0.123^b

 Ab

30/8

22/16

0.042^b

Number of patients achieving ROM required for activities of daily living / not)

 Flex

32/6

33/5

0.500^b

 IR

21/17

31/7

0.013^b

 ER

9/29

31/7

 < 0.001^b

 Ab

15/23

37/1

 < 0.001^b

 All motions

4/34

24//14

 < 0.001^b