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Table 2 Age and sex characteristics of the study groups at baseline

From: Magnitude and meaningfulness of change in SF-36 scores in four types of orthopedic surgery

Group

% male

Age

  

M (SD)

Range

Total hip replacement (controls)

44.6

70.7 (7.6)

52–86

Total hip replacement (patients)

47.2

70.5 (8.9)

41–96

Total knee replacement

37.1

71.3 (8.1)

43–86

Arthroscopic partial meniscectomy

67.6

44.8 (12.2)

14–75

Anterior cruciate ligament reconstruction

80.6

25.9 (5.1)

18–35