. Author manuscript; available in PMC: 2017 Mar 1.

Published in final edited form as: Arthritis Rheumatol. 2016 Mar;68(3):654–661. doi: 10.1002/art.39488

Table 1.

Baseline characteristics of the study participants^*

	All subjects (n = 1,111)	Subjects without temporal summation at baseline (n = 716)
Age, mean ± SD years	66.9 ± 7.5	66.3 ± 7.4
% female	62	61
BMI, mean ± SD kg/m²	29.7 ± 4.8	29.7 ± 4.8
% with radiographic knee OA	38	37
% with frequent knee pain	21	20
WOMAC pain score (range 0–20), mean ± SD	2.2 ± 2.9	1.8 ± 2.7

BMI = body mass index; OA = osteoarthritis; WOMAC = Western Ontario and McMaster Universities Osteoarthritis Index.