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Table 2 Clinical outcomes

From: Carbon dioxide angiography during peripheral angioplasty procedures significantly reduces the risk of contrast-induced nephropathy in patients with chronic kidney disease

CovariateCO2 groupControl groupP value
Carbon dioxide50/50 (100%)0/100 (0.0%)n/a
Contrast (mls)15.1 ± 14.0115.6 ± 58.1< 0.001
CIN all cases7/50 (14%)29/100 (29%)0.045
CIN in CKD 35/38 (13%)22/79 (28%)0.10
CIN in CKD 4–52/12 (17%)7/21 (33%)0.43
∆ creatinine value (μmol/Lt) < 7 days+ 6.7 ± 31.3+ 28.2 ± 71.90.04
∆ creatinine value (μmol/Lt) at 30 days-23.5 ± 38.5−21.7 ± 26.00.94
Cut-off value of CM volume (as per ROC)25 mls of iodinated contrast