. 2014 Jan 22;30(4):301–308. doi: 10.1007/s12288-013-0311-y

Table 3.

Comparison of alloimmunized and non alloimmunized thalassemia patients

	Alloimmunized patients (n = 24)	Non alloimmunized patients (n = 256)	P value
Males	18 (75 %)	169 (66 %)	0.497^a (NS)
Age (years) mean ± SD	13.75 ± 5.62	10.9 ± 6.6	0.0419 (NS)
Age at initiation of transfusion therapy (months) mean ± SD	7.9 ± 1.4	8.1 ± 1.6	0.70 (NS)
Duration of transfusion therapy (years) mean ± SD	12.9 ± 5.91	10.3 ± 6.55	0.057 (NS)
Splenectomy	5/24 (20.8 %)	27/256 (10.5 %)	0.169^a (NS)

^a P value calculated by Chi Squares test, rest by t test