Table 5.

Adverse reactions after hepatitis B vaccination in children

Reported reaction	First dose		P	Second dose		P	Third dose		P
	Thalassemia group (N = 307)	Control group (N = 318)		Thalassemia group (N = 307)	Control group (N = 318)		Thalassemia group (N = 307)	Control group (N = 318)
Injection-site redness and swelling	3 (1.0)	13 (4.1)	0.014	1 (0.3)	9 (2.8)	0.021	0 (0.0)	8 (2.5)	0.008
Injection-site induration	2 (0.7)	7 (2.2)	0.177	0 (0.0)	2 (0.6)	0.499	0 (0.0)	2 (0.6)	0.499
Fever	0 (0.0)	0 (0.0)	-	1 (0.3)	1 (0.3)	1.000	0 (0.0)	1 (0.3)	1.000
Injection-site pain	0 (0.0)	3 (0.9)	1.000	0 (0.0)	3 (0.9)	0.249	0 (0.0)	2 (0.6)	0.499