Table 4B.

Male risk factors for in-hospital mortality.

Parameter	Odds ratio	95% confidence interval	p-Value	Events per variable (deaths/total patients)
Prior cardiac surgery	2.889	1.167–7.150	0.022	16.1% (n = 14 of 87)
Hyperlipidemia	1.469	1.086–5.104	0.006	10.2% (n = 6 of 59)
Urgent operation	7.329	2.202–24.369	0.001	31.3% (n = 5 of 16)