Long-term effects of percutaneous coronary intervention versus coronary artery surgery in elderly with multi-vessel coronary artery disease

The Egyptian Heart Journal

Table 2 Two studied groups compared with respect to history of CAD risk factors

History of CAD risk factors	Group 1 (n = 50)		Group 2 (n = 50)		χ²	P
	No.	%	No.	%
DM	31	62.0	37	74.0	1.654	0.198
Hyperlipedemia	18	36.0	16	32.0	0.178	0.673
Hypertension	37	74.0	31	62.0	1.654	0.198
Cigarette smoking
No	32	64.0	39	78.0	3.871	^MCp = 0.120
Yes	18	36.0	10	20.0
Ex-smoker	0	0.0	1	2.0

χ² Chi-square test, MC Monte Carlo, p p-value for comparison between the two studied groups, Group 1 patient treated with PCI and drug-eluting stents, Group 2 patient treated with CABG
*Statistically significant at p ≤ 0.05