Table 5.

Comparison¹ of risk of de novo cardiac event of combined 10 yr data

Variable	Comparison	Odds ratio	95% C.I.	P-value
Treatment2	DFO vs. DFP	9.1	2.2–38.3	0.003
	DFO vs. comb	23.6	3.2–172.1	0.002
Age group	20–30 yr vs. 10–20 yr	1.9	0.9–3.9	0.073
	>30 yr vs. 10–20 yr	1.4	0.6–3.7	0.45
	20–30 yr vs. >30 yr	1.3	0.6–2.9	0.48
Gender	Males vs. females	2.7	1.5–4.9	0.001
Haemosiderosis	Moderate vs. mild	1.8	0.9–3.5	0.064
	Severe vs. mild	4.1	2.1–7.7	<0.001
	Severe vs. moderate	2.2	1.2–4.2	0.014

DFO, desferrioxamine; DFP, deferiprone.

¹Logistic regression, the reported odds ratios are adjusted for the presence of the other variables.

²The other comparisons between the treatment groups were not significant.