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Table 2 Clinical results

From: How much preoperative flexion contracture is a predictor for residual flexion contracture after total knee arthroplasty in hemophilic arthropathy and rheumatoid arthritis?

  

Hemophilia

Rheumatoid arthritis

p-Value

Number of knees (%)

 

48 (34.3)

92 (65.7)

 

Knee score

Preoperative

33.5 ± 5.2

41.2 ± 4.1

< 0.001

Last follow-up

76.9 ± 7.3

82.3 ± 4.2

< 0.001

Change

43.4 ± 6.9

41.1 ± 5.9

0.043

Functional score

Preoperative

33.4 ± 5.5

40.5 ± 3.8

< 0.001

Last follow-up

78.1 ± 4.9

82.0 ± 4.7

< 0.001

Change

44.7 ± 6.2

41.4 ± 6.3

0.004

WOMAC score

Preoperative

67.6 ± 4.2

63.8 ± 5.9

< 0.001

Last follow-up

20.7 ± 2.3

17.9 ± 2.1

< 0.001

Change

−46.9 ± 4.1

−45.9 ± 6.1

0.325

Flexion contracture (°)

Preoperative

16.5 ± 12.5

13.1 ± 13.8

0.159

Last follow-up

5.6 ± 6.5

1.4 ± 4.5

< 0.001

Change

−10.9 ± 11.0

−11.8 ± 12.4

0.673

Maximum flexion (°)

Preoperative

68.1 ± 32.0

117.2 ± 23.8

< 0.001

Last follow-up

79.8 ± 21.8

128.6 ± 13.2

< 0.001

Change

11.7 ± 27.6

11.4 ± 23.1

0.958

Range of motion (°)

Preoperative

51.9 ± 34.3

103.4 ± 30.8

< 0.001

Last follow-up

74.2 ± 23.3

127.3 ± 14.1

< 0.001

Change

22.3 ± 31.3

23.9 ± 28.9

0.758

  1. WOMAC Western Ontario and McMaster Universities Osteoarthritis Index