Table 1.

Characteristics of Patients Included in the Study^*

Characteristic	Number (%)
Female	68 (38)
Caucasian	166 (93)
Comorbidities
Diabetes mellitus	108 (61)
Hypertension	112 (62)
Coronary artery disease	118 (66)
Contrast medium
Iohexol	112 (63)
Iodixinol	63 (35)
Combination	4 (2)
RAAS blockade agent
ACE inhibitor	62 (35)
ARB	11 (7)
Combination	1 (1)
Prophylactic strategies
Bicarbonate	5 (3)
Normal saline	144 (81)
N-acteylcysteine	51 (29)

^*RAAS indicates rennin-angiotensin-aldosterone system; ACE, angiotensin-converting enzyme; and ARB, angiotensin receptor blocker.