Table 1 Baseline characteristics of the Brace and Control Groups (ITT population).

From: Effect of unloading brace treatment on pain and function in patients with symptomatic knee osteoarthritis: the ROTOR randomized clinical trial

 

Brace group (n = 32)

Control group (n = 35)

Age, mean (SD), y

64.8 (11.7)

66.6 (7.2)

Women, No. (%)

24 (75%)

20 (57.1%)

Body mass index, mean (SD), kg/m2

29.2 (4.4)

28.1 (5.1)

Body mass index class a , No. (%)

Normal

6 (18.8%)

10 (28.6%)

Overweight

10 (31.3%)

13 (37.1%)

Class I obesity

15 (46.9%)

11 (31.4%)

Class II obesity

1 (3.1%)

0 (0.0%)

Class III obesity

0 (0.0%)

1 (2.9%)

Disease duration, mean (SD), y

8.4 (6.8)

8.9 (7.4)

Kellgren-Lawrence grade, No. (%)

Grade II

10 (31.3%)

7 (20.0%)

Grade III

15 (46.9%)

22 (62.9%)

Grade IV

7 (21.9%)

6 (17.1%)

Contralateral knee osteoarthritis, No. (%)

17 (60.7%)

23 (74.2%)

Last 24h-pain (100-mm VAS), mean (SD), mm

63.8 (10.6)

64.7 (13.5)

Pain on motion (100-mm VAS), mean (SD), mm

73.4 (12.7)

71.9 (13.8)

Lequesne index score (0–24), mean (SD)b

13.4 (3.7)

12.6 (3.2)

  1. aBody mass index class according to World Health Organisation 200615.
  2. bScore ranging from 11 to 13 represents very severe handicap; while score ≥14 represents extremely severe handicap.
  3. ITT, Intent-To-Treat; SD, Standard Deviation; VAS, Visual Analog Scale.