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Table 7 Correlation coefficient (r) between the studied parameters in patients with CHD

From: Angiogenic biomarkers in children with congenital heart disease: possible implications

Studied parameters VEGF
(pg/ml)
PD-ECGF/TP
(U/ml)
Leptin
(ng/ml)
PD-ECGF/TP (U/ml) r = 0.847* - -
Leptin (ng/ml) r = 0.833* r = 0.769* -
Age (years) r = 0.562 ‡ r = 0.266§ r = 0.334§
Weight (Kg) r = 0.206§ r = 0.260§ r = 0.448 ‡
Hemoglobin (g./dl) r = 0.799* r = 0.260§ r = 0.206§
SpO 2 (%) r = -0.856* r = 0.320§ r = 0.268§
Pulmonary pressure (mmHg) r = 0.799* r = 0.260§ r = 0.288§
Severity of PS (mmHg) r = 0.879* r = 0.433 ‡ r = 0.527 ‡
Severity of aortic coarctation (mmHg) r = 0.904* r = 0.662 † r = 0.531 ‡
Heart failure r = 0.266§ r = 0.280§ r = 0.302§
Cardiomegaly r = 0.205§ r = 0.240§ r = 0.300§
  1. *: p < 0.001
  2. †: p < 0.01
  3. ‡: p < 0.05
  4. §: not significant