Study (year)

Preoperative Harris Hip Score

Postoperative Harris Hip Score

Score Improvement

Fink and Oremek [24]

46.9

86.6

39.7

Lim, et al. [12]

36.1

81.8

45.7

Morshed, et al. [26]

25

68

43

Shi, et al. [28]

30.2

85.7

55.5

Weighted

Average

38.6

84.1

45.6