Table 3

Mean and Quartile Scores of the Performance Measures across Time

Measure

Preop

Mean, SD

Quartiles

n = 150

Postop 1

<16 Days Postop

Mean, SD, n

Quartiles

Postop 2

>20 Days From Postop 1

Mean, SD, n

Quartiles


Self-paced Walk Time (seconds)

31.7, 9.2

25, 30, 36

85.7, 62.7, 115

53, 66, 93

33.7, 10.9, 92

26, 32, 38

Stair Time (seconds)

17.1, 8.2

11, 15, 22

40, 12, 87

29, 39, 48

20.0, 9.7, 91

12, 18, 27

Timed Up and Go Time (seconds)

9.8, 3.2

7, 9, 11

24.7, 14.2, 116

15, 21, 31

10.3, 4.2, 91

7, 9, 12

Six minute Walk Test Distance (meters)

412, 123

329, 412, 508

193, 87, 82

120, 194, 263

408, 116, 91

328, 393, 477


SD, Standard Deviation

n, Number of subjects

Kennedy et al. BMC Musculoskeletal Disorders 2005 6:3   doi:10.1186/1471-2474-6-3

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