Egyptian Rheumatology and Rehabilitation

Table 3 VEGF level in case and control groups

From: Association of vascular endothelial growth factor serum levels with ankylosing spondylitis in Egyptian patients

VEGF (ng/l)	Group						T-test
VEGF (ng/l)	Cases			Control			t	p-value
Range	210	-	780	30	-	140	17.518	< 0.001*
Mean ± SD	406.571	±	162.051	63.286	±	24.875	17.518	< 0.001*

SD Standard deviation, ng/l Nanogram per liter
P-values ≤ 0.05 are significant, and P-values ≤ 0.01 are highly significant

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