Radiographic damage in hands and wrists of patients with juvenile idiopathic arthritis after 29 years of disease duration

Table 3 The CHR of patients with JIA at 29-year follow-up

JIA categories	No. of patients	CHR Right	CHR Left	Mean CHR
Total	60 (100)	0.52 (0.31–.64)	0.52 (0.31–0.63)	0.49 (0.08)
Systemic arthritis	3 (5)	0.32 (0.31–0.48)	0.34 (0.31–0.48)	0.37 (0.09)^a
Polyarticular RF-negative	11 (18)	0.51 (0.43–0.57)	0.51 (0.31–0.59)	0.50 (0.05)
Polyarticular RF-positive	5 (8)	0.31 (0.31–0.53)	0.31 (0.31–0.53)	0.35 (0.10)^b
Persistent oligoarticular	5 (8)	0.56 (0.52–0.58)	0.56 (0.52–0.56)	0.55 (0.02)
Extended oligoarticular	10 (17)	0.50 (0.31–0.55)	0.51 (0.47–0.56)	0.50 (0.04)
Enthesitis related arthritis	13 (22)	0.55 (0.42–0.64)	0.54 (0.31–0.62)	0.54 (0.06)
Psoriatic arthritis	10 (17)	0.52 (0.32–0.62)	0.52 (0.45–0.63)	0.52 (0.06)
Undifferentiated arthritis	3 (5)	0.40 (0.31–0.53)	0.40 (0.31–0.58)	0.42 (0.12)

Numbers are median (range), number (%) or mean (SD). ^aSignificantly different from scores in patients with persistent oligoarticular arthritis, enthesitis related arthritis and psoriatic arthritis (p < 0.05). ^bSignificantly different from scores in patients with polyarticular RF-negative JIA, persistent oligoarticular JIA, extended oligoarticular JIA, enthesitis related arthritis and psoriatic arthritis (p ≤ 0.005). CHR carpal height ratio

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