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Table 1 Preoperative clinical data on patient subgroups

From: Mid- term results of stryker® scorpio plus mobile bearing total knee arthroplasty

 

OA·ON group

RA group

Patient No.

49

17

TKA No.

59 OA:53, ON:6

17

Sex (Male/ Female)

7/ 42

1/ 16

Age at time of operation (yr)

72.2±6.1 *

62.8±8.1 *

 

51- 82

52- 79

Body height (cm)

149.8±6.9

151.7±6.9

Body weight (kg)

55.8±9.8

57.8±10.9

Body-mass index (kg/m2)

24.8±3.6

25.1±4.6

Preoperative Flexion angle (°)

120.3±18.7

109.4±24.2

Preoperative Extension angle (°)

−6.6±8.1

−15.3±12.4

Preoperative JOA score

51.6±8.9

44.1±10.9

Preoperative FTA (°)

184.9±7.9 *

177.2±7.2 *

Follow- up duration (yr)

5.8±0.8

6.1±0.9

  1. * = P- values less than 0.01 by Mann- Whitney’s U test.