Table 2 Association of disease severity with HAQ disability index in rheumatoid and chikungunya arthritis.

From: Tender and swollen joint counts are poorly associated with disability in chikungunya arthritis compared to rheumatoid arthritis

Severity or symptom measure

Rheumatoid arthritis (n = 40)

Chikungunya arthritis (n = 40)

r (p)

r (p)

Tender joint count

0.56 (0.0002)

0.24 (0.14)

Swollen joint count

0.60 (< 0.0001)

0.002 (0.99)

Joint pain (VAS)

0.55 (0.0002)

0.29 (0.07)

Stiffness severity

0.57 (0.0001)

0.38 (0.02)

  1. Results expressed as Spearman’s rank correlation coefficients.