Predicting unfavorable long-term outcome in juvenile idiopathic arthritis: results from the Nordic cohort study

Table 2 Prediction of unfavorable outcome by multivariable modeling of baseline clinical characteristics

	Coef.	Std.Err
Not in remission ^a N = 156
	β₀=-1.58	0.44
Cumulative active joint count	β₁=0.04	0.05
ESR mm/h	β₂=0.03	0.02
CRP >10 mg/L	β₃=-0.07	0.69
Morning stiffness > 15 min	β₄=1.16	0.45
Physician’s global assessment VAS	β₅=0.16	0.46
ANA-positive	β₆=1.25	0.50
HLA-B27-positive	β₇=1.37	0.54
Ankle joint arthritis	β₈=1.10	0.49
Functional disability (CHAQ), N = 141
	β₀=-1.68	0.35
Cumulative active joint count	β₁=-0.02	0.03
ESR mm/h	β₂=0.01	0.01
CRP > 10 mg/L	β₃=-0.20	0.63
Morning stiffness > 15 min	β₄=1.03	0.42
Physician’s global assessment VAS	β₅=-0.40	0.56
Finger joint arthritis	β₆=1.21	0.54
Pain VAS	β₇ = 0.77	0.40
Functional disability (PhS), N = 92
	β₀=-3.40	0.75
Cumulative active joint count	β₁=0.10	0.05
ESR mm/h	β₂=0.01	0.02
CRP > 10 mg/L	β₃=-2.06	1.28
Morning stiffness > 15 min	β₄=1.68	0.80
Physician’s global assessment VAS	β₅=-0.71	0.88
Pain VAS	β₆=1.30	0.64
Joint damage (JADI-A), N = 141
	β₀=-3.84	0.76
Cumulative active joint count	β₁=0.02	0.04
ESR mm/h	β₂=0.01	0.02
CRP > 10 mg/l	β₃= -0.11	0.83
Morning stiffness > 15 min	β₄=-0.59	0.61
Physician’s global assessment VAS	β₅=0.28	0.52
Finger joint arthritis	β₆=1.84	0.68
Older age at disease onset (years)	β₇= 0.16	0.07

Coef. coefficients in the logistic regression, Std.Err. standard error in the coefficients, VAS visual analogue scale, ESR erythrocyte sedimentation rate for an increase in 10 mm/h, CRP C-reactive protein, ANA antinuclear antibody, HLA-B27 human leucocyte antigen
^aNot in remission equals non-achievement of remission off medication

ISSN: 1478-6362