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Table 2 Infant- and Jaundice- Related Characteristics in the Study and Control Groups

From: Risk factors for readmission for phototherapy due to jaundice in healthy newborns: a retrospective, observational study

VariableNo Readmission
Control Group
(N = 100)
Readmission
Study Group
(N = 100)
p Value
Female, n49(49%)41(41%)0.26
Birth weight, gr, mean (SD)3201.0(434.7)3163.3(416.7)0.53
Gestational age (weeks), median (Q1, Q3)38.0(37.0, 39.0)38.0(37.0, 39.0)1.00
Late preterm neonate (< 37), n8(8%)8(8%)1.00
Size for gestational age, n (%)    0.41
 Appropriate81(81%)86(86%) 
 Large15(15%)9(9%) 
 Small4(4%)5(5%) 
G6PD deficiency, n (%)14(14%)14(14%)1.00
Apgar 1 (range 5–7), n7(7%)2(2%)0.09
Apgar 5 (range 5–7), n1(1%)0(0%)0.32
Feeding, n    0.11
 Breastfeeding49(49%)51(51%)0.78
 Mixed39(39%)45(45%)NS
 Formula12(12%)4(4%)0.037
Postnatal LOS, median (Q1, Q3)4.0(3.0, 5.0)2.0(2.0, 3.0)<  0.001
Weight loss > 5% n (%)42(42%)57(57%)0.034
Laboratory findings during first hospitalization
 Highest value of total bilirubin, umol/L, mean (SD)13.4(2.3)11.9(2.9)<  0.001
 Hemoglobin, g/dl, median (Q1, Q3)17.6(16.0, 19.2)19.6(18.8, 21.4)<  0.001
 Hematocrit (%), median (Q1, Q3)53.0(48.0, 58.0)59.0(56.0, 63.0)<  0.001
 Reticulocyte > 5%, n40(40%)9(9%)<  0.001
 Highest value of total bilirubin during second hospitalization. 17.9(1.8).
 Visits to jaundice clinic, median (Q1, Q3)1.0(0.0, 2.0)3.0(2.0, 4.0)<  0.001
 Phototherapy during first hospitalization, n63(63%)10(10%)<  0.001
  1. NS non-significant, LOS length of stay