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Table 1 Clinical parameters of 100 rheumatoid arthritis (RA) patients

From: Serum cathepsin K levels of patients with longstanding rheumatoid arthritis: correlation with radiological destruction

  Disease duration (years) Age at manifestation (years) Age (years) Morning stiffness (min) Ritchie score Larsen score 44 swollen joint count Disease activity score
Mean 11.7 52.0 62.9 31.9 11.3 54.8 7.4 3.3
Minimum 0.5 18.0 20.0 0.0 0.0 0.0 0.0 0.4
Maximum 56.0 75.0 83.0 130.0 42.0 164.0 28.0 6.0
Standard deviation 11.6 12.4 11.0 37.8 10.3 49.5 6.8 1.4
Median 8.0 53.0 63.0 15.0 10.0 38.0 6.0 3.6