Table 5.

Significant risk factors affecting complications from multivariate analysis.

Complication	Significant variables	p value	95% CI	Odd ratio
Extramedullary hematopoiesis	Thalassemia type (beta)	0.031	1.173–27.971	5.72
	Hemoglobin < 8 g/dL	0.007	1.736–31.252	7.37
Osteoporosis	Gender (female)	0.014	1.514–38.604	7.64
	Age > 40 years	0.017	1.313–16.506	4.66
Abnormal liver function	Maximum ferritin > 800 ng/mL	0.035	1.033–13.919	3.79