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Table 2 The Urinary Uric Acid / Cr ratio according to study variables

From: The Urinary Uric Acid / Cr ratio as a marker of morbidity and mortality of preterm infants: a case—control study

variables

case

control

P value

Gender

  female

5.4 ± 4.0

3.1 ± 1.7

0.017

  Male

5.5 ± 4.3

4.1 ± 3.6

0.190

Type of delivery

  NVD

3.4 ± 0.2

4.0 ± 2.9

0.785

  C/S

5.5 ± 4.2

3.3 ± 2.9

0.016

Birth weight(gram)

  1499–1000

4.6 ± 1.8

4.6 ± 2.9

0.958

  1999–1500

6.2 ± 5.2

3.9 ± 3.3

0.058

   ≥ 2000

3.7 ± 1.6

2.2 ± 1.2

0.59

5th minute Apgar score

   ≥ 8

5.8 ± 4.4

3.6 ± 3.3

0.007

   < 8

4.1 ± 2.4

4.4 ± 1.9

0.885

Complications

   + 

8.7 ± 3.9

-

-

  -

5.1 ± 4.1

3.7 ± 3.0

0.048

Days of Hospitalization

   < 10

4.9 ± 4.6

2.8 ± 1.8

0.039

   ≥ 10

5.7 ± 4.0

5.0 ± 3.9

0.576