Table 5. GFR (in ml/min/1.73m²) before, 24 hours after and 48h after contrast media application.

		GFR before CM			GFR 24hrs after CM			GFR 48hrs after CM
		N	M ± SD	p	N	M ± SD	p	N	M ± SD	p
MARE	No	271	68.07 ± 30.96	0.14	250	72.19 ± 32.23	0.12	85	71.09 ± 30.03	0.001
	Yes	18	62.12 ± 40.38		16	61.91 ± 50.59		8	14.04 ± 23.20
Dialysis	No	277	68.80 ±31.72	0.06	255	71.35 ± 32.77	0.03	88	72.18 ± 30.69	0.003
	Yes	12	55.85± 31.90		11	17.51 ± 39.14		5	11.27 ± 3.94
Death	No	280	68.43 ± 32.57	0.09	258	71.51 ± 33.47	0.06	87	71.09 ± 32.29	0.002
	Yes	9	63.11 ± 29.9		8	59.69 ± 46.97		6	24.04 ± 23.21

GFR—glomerular filtration rate according to the MDRD formula, MARE—major adverse renal event; N—number of patients, M—median, SD—standard deviation, p—significance according to MANOVA, p<0.05 is statistically significant.