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Table 3: Univariate analysis of development of delayed renal impairment
Delayed RI (+) (n = 6, 8.2%) Delayed RI (−) (n = 67, 91.8%) P Value
Age (yr) 72.0 73.3 .68
Pre-SCr 1.16 1.05 .10
Post-SCr 1.31 1.11 .09
SCr (6 mo) 1.88 1.03 <.001
Pre-eGFR 48.9 57.3 .27
Pre-eGFR <60 100% 55.2% .04
HTN 83.3% 73.1% .21
DM 33.3% 40.3% .17
CAD 50.0% 47.8% 1.00
Diuretic 0% 10.4% .46
Re-administration 0% 4.5% .26
Contrast volume 171.7 mL 145.3 mL .26
Contrast ratio 0.64 0.53 .20
CIN 16.7% 9.0% .43

	Delayed RI (+) (n = 6, 8.2%)	Delayed RI (−) (n = 67, 91.8%)	P Value
Age (yr)	72.0	73.3	.68
Pre-SCr	1.16	1.05	.10
Post-SCr	1.31	1.11	.09
SCr (6 mo)	1.88	1.03	<.001
Pre-eGFR	48.9	57.3	.27
Pre-eGFR <60	100%	55.2%	.04
HTN	83.3%	73.1%	.21
DM	33.3%	40.3%	.17
CAD	50.0%	47.8%	1.00
Diuretic	0%	10.4%	.46
Re-administration	0%	4.5%	.26
Contrast volume	171.7 mL	145.3 mL	.26
Contrast ratio	0.64	0.53	.20
CIN	16.7%	9.0%	.43