Table 2.

Formation of Red Blood Cell Antibodies

Group	N	Red Blood Cell Antibodies		p (Pre–Post)	Change in Red Blood Cell Antibodies
		Before Hemin Administration	After Hemin Administration
Negative allo-autoantibody thalassemia	28	0.00±0. 00 (0–0)	1.00±0.00 (0–2)	0.000**	1.00±0.00 (0–2)
Positive allo-autoantibody thalassemia	29	1.00±1.50 (0–4)	1.00±0.00 (0–3)	0.481	0.00±1.50 (−4–2)
p (between groups)		0.000*	0.964		0.002*

Notes: Data presented as mean ± SD and median (minimum–maximum). *Significant at p=0.05 (Mann–Whitney test). **Significant at p=0.05 (Wilcoxon signed-rank test).