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Observational Study
Copyright: ©Author(s) 2026.
World J Cardiol. Sep 26, 2026; 18(9): 124634
Published online Sep 26, 2026. doi: 10.4330/wjc.124634
Table 2 Correlation between biomarkers and coronary collateral grade
Variable
Spearman ρ
95% confidence interval
P value
Coronary collateral grade (Rentrop score)
Serum adiponectin (μg/mL)0.4620.217-0.660< 0.001
Serum bFGF (pg/mL)0.086-0.160 to 0.3210.312
Other clinical variables
Age (years)-0.128-0.366 to 0.1270.377
Diabetes mellitus (yes/no)-0.214-0.439 to 0.0320.087
Hypertension (yes/no)-0.097-0.331 to 0.1530.458
Current smoking (yes/no)-0.191-0.420 to 0.0630.136


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