Table 2.

Level of serum Creatinine before, after and changes (Δ) post-coronary angiography in the PTX supplementation and control groups

	PTX+NAC	Placebo+NAC	p -value
Cr (µmol/L) (before)	1.31 (0.81)	1.20 (0.33)	0.33
Cr (µmol/L) (after)	1.34 (1.04)	1.19 (0.36)	0.31
Δ Cr (µmol/L)	0.03 (0.35)	-0.006 (0.24)	0.54
CIN-yes/no (No.)	2/53	2/53

Mean (SD); Cr: Creatinine; PTX: Pentoxifylline.