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Table 4 Comparison between the two groups with regard to one-year functional recovery

From: Active ankylosing spondylitis increases blood loss during total hip arthroplasty for a stiff hip joint

 

Stable disease group (n = 17)

Active disease group (n = 32)

P

Preoperative VAS

5.34 ± 1.72

6.30 ± 2.08

0.110

Postoperative VAS

2.34 ± 1.53

2.51 ± 1.69

0.724

Preoperative ROM

 Hip ankylosis

13 (76%)

25 (78%)

0.582†

 The rest ROM in flexion(°)

33.75 ± 7.5

39.36 ± 6.82

N

 The rest ROM in extension(°)

8.75 ± 4.78

9.71 ± 2.98

N

Postoperative ROM

 ROM in flexion(°)

79.41 ± 12.85

81.41 ± 12.52

0.601

 ROM in extension(°)

14.71 ± 3.29

14.38 ± 4.35

0.785

 Preoperative HHS

32.90 ± 7.98

29.59 ± 8.96

0.208

 Postoperative HHS

88.68 ± 3.62

88.03 ± 4.39

0.604

  1. VAS visual analog scale, ROM range of motion, HHS Harris hip score
  2. †chi-square test, the rest- Student t-test;
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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