. Author manuscript; available in PMC: 2013 Jan 1.

Published in final edited form as: Arthritis Care Res (Hoboken). 2012 Jan;64(1):22–29. doi: 10.1002/acr.20628

Table 1.

Descriptive statistics of the total study sample and each group separately.

	Total Sample (n = 86)	Non-ROA Group (n = 41)	ROA Group (n = 45)
	Mean (SD)	Mean (SD)	Mean (SD)
Age (yrs)	62.7 (7.3)	60.7 (7.6)	64.5(6.7) ^*
Height (cm)	161.9 (6.0)	162.1 (6.6)	161.8 (5.3)
Weight (kg)	71.4 (13.6)	66.8 (12.2)	75.6 (13.6) ^*
BMI (kg/m²)	27.3 (5.1)	25.6 (4.8)	29.0 (4.9) ^*
WOMAC Pain Score (/20)	3.2 (3.4)	2.1 (2.6)	4.2 (3.6) ^*
WOMAC Stiffness Score (/8)	1.7 (1.5)	1.1 (1.4)	2.2 (1.4) ^*
WOMAC Physical Function Score (/68)	9.8 (10.4)	6.3 (8.1)	13.0 (11.2) ^*

denotes significant differences (p < 0.05) between groups.