Fig. 2From: The impact of N-acetylcysteine and ascorbic acid in contrast-induced nephropathy in critical care patients: an open-label randomized controlled studySerum cystatine C levels changes (%) between baseline and time of radio contrast induced nephropathy (CIN) diagnosis in controls and in patients who received antioxidants (NacA group). The horizontal lines in the low-high bar graphs represent median values. The statistical significance is indicated with the capped line Back to article page