Table 1

The rate of apoptosis (TUNEL positive) of lymphocytes, expression of CD95, and serum levels of sFAS and IL15 in children with JIA according to the type of onset and activity of the disease. Correlation between examined parameters and acute phase indicators

Examined groups	No	TUNEL (% cells) Mean (SD)	CD95 (% cells) Mean (SD)	sFAS (pg/ml) Mean (SD)	IL15 (pg/ml) Mean (SD)
*Significant.
CRP, C reactive protein; ESR, erythrocyte sedimentation rate; r_s, Spearman rank coefficient.
Controls	30	2.3 (2.9)	9.8 (5.5)	5024.5 (2184.5)	1.7 (0.6)
JIA - whole group	44	6.5 (7.4)	12.1 (7.3)	5761.3 (2856.1)	1.9 (1.3)
Type of onset
Oligoarthritis	10	3.7 (3.9)	11.2 (9.4)	6308.0 (3512.1)	1.0 (0.4)
Polyarthritis	24	4.8 (7.1)	13.1 (7.2)	5661.0 (2427.2)	1.1 (0.6)
Systemic	10	13.5 (7.1)	9.7 (3.8)	5502.9 (3557.6)	3.6 (2.1)
Activity of the disease
Low	11	2.7 (2.5)	13.2 (13.2)	6894.0 (2736.1)	1.6 (0.1)
Moderate	15	4.9 (8.1)	10.9 (6.9)	5492.5 (2345.1)	1.8 (1.4)
High	18	9.2 (8.0)	12.6 (5.5)	5455.0 (3196.0)	2.3 (1.6)
Statistics (p values)
Control v JIA		0.020*	0.331	0.424	0.825
Control v oligoarthritis		0.381	0.859	0.351	0.046*
Control v polyarthritis		0.123	0.206	0.411	0.950
Control v systemic disease		0.001*	0.780	0.867	0.012*
Control v low activity		0.437	0.938	0.071	0.612
Control v moderate activity		0.517	0.596	0.496	0.517
Control v high activity		0.001*	0.195	0.878	0.203
Acute phase indicators		v TdT	v CD95	v sFAS	v IL15
Lymphocyte count		0.098, r_s=0.313	0.368, r_s=−0.196	0.038*, r_s=−0.313	0.867, r_s=−0.035
Platelet count		0.495, r_s=−0.137	0.068, r_s=0.404	0.438, r_s=−0.122	0.543, r_s=−0.133
CRP		0.017*, r_s=0.460	0.469, r_s=−0.166	0.172, r_s=−0.225	0.039*, r_s=0.442
ESR		0.005*, r_s=0.502	0.867, r_s=0.036	0.114, r_s=−0.241	0.089, r_s=0.347