Table 2B.

Basic laboratory findings.

	JIA patients treated with MTX	JIA patients treated with MTX/ADA	Healthy controls	Significance (p-value)
Immunoglobulin G (g/l)	11.33 ± 2.68	11.42 ± 2.14	11.13 ± 1.91	0.962 0.896 0.991
Immunoglobulin A (g/l)	1.77 ± 0.98	1.65 ± 1.01	1.49 ± 0.83	0.659 0.840 0.916
Immunoglobulin M (g/l)	1.24 ± 0.73	1.38 ± 0.58	1.14 ± 0.73	0.903 0.454 0.802
C3 (g/l)	1.24 ± 0.22	1.22 ± 0.13	1.30 ± 0.22	0.492 0.242 0.951
C4 (g/l)	0.23 ± 0.08	0.22 ± 0.06	0.23 ± 0.08	0.995 0.930 0.969
CH50 (U/ml)	51.30 ± 24.85	50.44 ± 17.15	66.28 ± 30.52	0.189 0.091 0.994

Data are means ± standard deviation. p1 = MTX and control, p2 = MTX/ADA and control, p3 = MTX and MTX/ADA.