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Table 2 Baseline clinical data in the 3 groups

From: Periprocedural and clinical outcomes of percutaneous coronary intervention of chronic total occlusions in patients with low- and mid-range ejection fractions

VariableG (N) (nom. = 25)G (M) (nom. = 25)G (L) (nom. = 25)p value
Nom. (%)Nom. (%)Nom. (%)
CCS class
1, 2
3, 4
3 (12%)
22 (88%)
10 (40%)
15 (60%)
13 (52%)
12 (48%)
0.01*
NYHA class
1, 2
3, 4
19 (76%)
6 (24%)
15 (60%)
10 (40%)
7 (28%)
18 (72%)
0.002*
  1. Data are expressed as numbers (%)
  2. CCS: Canadian Cardiovascular Society; G (N): normal LVEF group, G (M): mid-range LVEF group, G (L): low LVEF group; NYHA: New York Heart Association, *:significant