Table 1.

Baseline characteristics of octogenarians

Variable	N (%)
Gender
Male	355 (49.6%)
Female	360 (50.4%)
Diabetes mellitus	115 (16.1%)
Hypertension	125 (17.5%)
Coronary artery disease	111 (15.5%)
Congestive heart failure	49 (6.9%)
Cerebral vascular accident	71 (9.9%)
Peripheral vascular disease	140 (19.9%)
Cancer	34 (4.8%)
Angiotensin converting enzyme inhibitor	191 (26.7%)
Angiotensin receptor blockers	110 (15.4%)
Non-steroidal anti-inflammatory drugs	20 (2.8%)
Contrast media exposure	153 (21.4%)
Baseline creatinine, (mean ± SD)	123.8 (105.5)

N number; SD standard deviation