Egyptian Rheumatology and Rehabilitation

Table 2 Correlation between RF and DKK-1, ESR 1h., and DAS28

From: Serum Dickkopf-1 as a potential prognostic marker in patients with rheumatoid arthritis

RF (IU/ml)		Range			Mean	±	SD	t. test	P value
DKK–1 (pg/mL)	+ve	1650.8	–	10857.5	5116.35	±	2996.61	2.643	0.108
DKK–1 (pg/mL)	-ve	1684.9	–	8957.2	6453.63	±	2706.29	2.643	0.108
ESR 1h. (mm)	+ve	5	–	85	43.80	±	22.14	0.694	0.407
ESR 1h. (mm)	-ve	14	–	67	48.81	±	18.79	0.694	0.407
DAS28	+ve	3.5	–	7.5	5.45	±	1.20	0.112	0.738
DAS28	-ve	3.5	–	7.4	5.56	±	1.37	0.112	0.738

RF rheumatoid factor, DKK–1 Dickkopf-1, ESR 1h. erythrocyte sedimentation rate (first hour), DAS28 Disease Activity Score using 28 joints count, t. test independent samples t test, *P<0.05 indicates significant difference

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