Table 1.

Comparison of serum creatinine, PaCO2, and urinary tubular enzymes pre and postprocedure

	Iodinated contrast			CO2 contrast
	Preangiography	Postangiography (48 hrs)	P-value	Preangiography	Postangiography (48 hrs)	P-value
PaCO2	41.34 ± 4.47	42.31 ± 4.59	0.29	42.03 ± 5.77	45.68 ± 6.56	0.06
S.Cr.	0.81 ± 0.23	0.81 ± 0.25	0.84	0.87 ± 0.2	0.89 ± 0.22	0.69
GGT	14.9 ± 5.92	26.2 ± 15.1	0.001*	15.5 ± 4.9	21.1 ± 9.04	0.02*
NAG	1.63 ± 0.9	3.60 ± 2.14	0001*	2.12 ± 1.06	3.82 ± 3.27	0.08
AAP	1.51 ± 0.75	3.38 ± 2.41	0.001*	1.28 ± 0.76	2.51 ± 1.72	0.03*

^*P-value < 0.05