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Table 3 Characteristics of 173 subjects at baseline

From: Mass spectrometry assays of plasma biomarkers to predict radiographic progression of knee osteoarthritis

Characteristic

Mean (SD) or number (%)

Age, years

61.8 (9.6)

Body mass index, kg/m2

30.5 (5.1)

Sex

 

Female

134 (77%)

Male

39 (23%)

Race

 

Black

35 (25%)

White

138 (20%)

Years of knee pain

9.0 (9.6)

Years of osteoarthritis diagnosis

5.9 (6.2)

WOMAC pain

4.9 (4.1)

Osteophytes

143 (83%)

Change in joint space width at 30 months

−0.68 (0.64)

  1. WOMAC, Western Ontario and McMaster Universities Arthritis Index.