. 2015 Jul 29;4(2):184–188. doi: 10.7774/cevr.2015.4.2.184

Table 3.

Relation of anti-tetanus IgG titers to serum ferritin levels in study groups

Variable		r	r²	Adjusted r²	B Coefficients		p-value
Variable		r	r²	Adjusted r²	Constant	Ferritin	p-value
Controls		0.096	0.009	0.005	2.213	-0.003	0.152
Beta thalassemia major (cases)	Non-splenectomized	0.563	0.317	0.311	3.009	-0.002	< 0.001
Beta thalassemia major (cases)	Splenectomized	0.516	0.266	0.259	2.994	-0.002	< 0.001