R

R²

Coefficient (95% CI)

p-value

Hemoglobin (gm/dl)

−0.035

0.001

−0.286 - 0.153

0.005

Hematocrit (%)

0.055

0.003

−0.050 - 0.143

0.023

TsB₀ (mg/dl)

0.054

0.003

−0.046 - 0.127

0.035

Postnatal age

−0.030

0.001

−0.458 - 0.268

0.607

Birth weight

−0.048

0.002

−2.043 - 0.838

0.411