Prevalence and Predictors of Contrast-Induced Nephropathy (CIN) in Patients with ST-Segment Elevation Myocardial Infarction (STEMI) Undergoing Percutaneous Coronary Intervention (PCI): A Meta-Analysis

Table 2

Related data on other risk factors.

Risk factor	Heterogeneity (%)	Risk factor present		Risk factor absent		Odds ratio
		CIN	No. of patients	CIN	No. of patients
Gender (male) (n = 10)	I^2 = 55	459	3835	178	1336	0.87 [0.63, 1.19] test for the overall effect: Z = 0.90 ()
Smoking (n = 8)	I^2 = 90	233	2036	346	2464	0.66 [0.36, 1.22] test for the overall effect: Z = 1.32 ()
Family history (n = 4)	I^2 = 0	66	617	229	2151	1.01 [0.73, 1.40] test for the overall effect: Z = 0.08 ()
Damaged right coronary artery (RCA) (n = 5)	I^2 = 0	46	565	257	1508	0.49 [0.34, 0.69] test for the overall effect: Z = 4.07 ()
Damaged left circumflex artery (LCA) (n = 5)	I^2 = 15	73	623	230	1450	0.70 [0.52, 0.93] test for the overall effect: Z = 2.44 ()