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Table 1 Baseline demographics and eGFR values data

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

Covariate

CO2 group

Control group

P value

Age (years)

77.5 ± 10.4

76.5 ± 10.5

0.88

Diabetes

33/50 (66%)

64/100 (64%)

0.4

Heart failure

13/50 (26%)

19/100 (19%)

0.07

Hypertension

36/50 (72%)

75/100 (75%)

0.34

Anemia

37/50 (74%)

84/100 (84%)

0.07

Hypoalbuminemia

28/50 (56%)

58/100 (58%)

0.41

Critical limb ischemia

39/50 (78%)

74/100 (74%)

0.74

Iliac arteries

9/50 (18%)

23/100 (23%)

0.62

Femoral arteries

30/50 (60%)

48/100 (48%)

0.23

Popliteal arteries

21/50 (42%)

39/100 (39%)

0.86

Tibial arteries

27/50 (54%)

58/100 (58%)

0.77

Creatinine baseline (μmol/Lt)

150.2 ± 48.8

136.5 ± 46.2

0.02

eGFR baseline (mls/min/1.73m2)

39.5 ± 11.6

43.0 ± 12.4

0.08

CKD 4 or 5 (eGFR< 30)

12/50 (24%)

21/100 (21%)

0.83

Intravenous hydration and/or NAC

42/50 (84%)

76/100 (76%)

0.36