Table 5 Receiver operating characteristic curves of hemoglobin combined with hematocrit and subject with periventricular leukomalacia.

From: The effect of hemoglobin level in early life on periventricular leukomalacia: a case control study

 

Area under curve

Standard error

Sensitivity

Specificity

P value

95% CI

Hb (3rd d)

0.609

0.035

0.604

0.582

0.002**

0.540–0.678

Hb (7th d)

0.603

0.035

0.553

0.637

0.003**

0.534–0.672

RBC (3rd d)

0.612

0.034

0.619

0.615

0.001***

0.545–0.679

RBC (7th d)

0.619

0.034

0.762

0.451

0.001***

0.552–0.685

Combined indicators (3rd d)

0.610

0.035

0.571

0.623

0.002**

0.543–0.678

Combined indicators (7th d)

0.619

0.034

0.385

0.821

0.001***

0.553–0.685

  1. Hb hemoglobin, RBC red blood cell, Combined indicators Hb level combined with RBC count, 3rd d the 3rd day after birth, 7th d the 7th day after birth. ***P ≤ 0.001; **P ≤ 0.01.
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