Table 4.

Associations of patient and procedural factors with the development of CIAKI

Patient factorOdds of CIAKI (↑ Scr ≥ 25%)Odds of CIAKI (↑ Scr ≥0.5 mg/dl)
Age >65 yr1.0 (0.4, 2.4)1.1 (0.3, 3.7)
Diabetes mellitus1.4 (0.6, 3.1)1.2 (0.4, 3.5)
Congestive heart failure2.4 (1.0, 5.9)4.1 (1.3, 12.7)
Peripheral vascular disease2.4 (0.9, 6.4)2.1 (0.5, 7.8)
Cerebrovascular disease1.3 (0.4, 4.4)0.7 (0.1, 5.6)
Scr > 1.5 mg/dl2.5 (1.1, 5.9)5.7 (1.8, 17.8)
eGFR ≤ 45 ml/min per 1.73 m22.1 (0.8, 5.6)4.0 (1.3, 12.7)
Hematocrit < 35%1.8 (0.8, 4.3)2.6 (0.8, 7.9)
Inpatient status3.8 (1.6, 9.0)3.5 (1.1, 10.9)
Procedure factors
Contrast (iso-osmolal)0.5 (0.2, 1.3)0.9 (0.2, 4.4)
Dose contrast > 100 ml3.3 (1.0, 11.5)2.5 (0.6, 11.7)
Preprocedure and postprocedure IV fluid1.6 (0.6, 4.1)0.8 (0.2, 3.8)
N-acetylcysteine use2.4 (1.9, 5.8)2.0 (0.6, 6.7)
  • Data presented as odds ratios and 95% confidence limits.