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Table 1 The characteristic data of study variables

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

variables total case control P value
Gender
  Female 45(44.1%) 23 22 0.844
  Male 57(55.9%) 28 29
Type of delivery
  NVD 15(14.7%) 2 13 0.002
  C/S 87(85.3%) 49 38
Birth weight(gram)
  1499–1000 30(29.4%) 19 11 0.002
  1999–1500 55(53.9%) 28 27
   ≥ 2000 17(16.7%) 4 13
5th minute Apgar score
   < 8 13(12.7%) 11 2 0.007
   ≥ 8 89(87.3%) 40 49
complications
   +  5(4.9%) 5 0 0.022
  - 97(95.1%) 46 51
Days of Hospitalization
   < 10 38(38.2%) 11 28 0.01
   ≥ 10 64(61.8%) 40 23