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Table 2 Characteristics of 1580 neonates with indirect neonatal hyperbilirubinemia (INH)

From: Indirect neonatal hyperbilirubinemia in hospitalized neonates on the Thai-Myanmar border: a review of neonatal medical records from 2009 to 2014

Characteristics Neonates with INH n=1580a
Maternal characteristics
 Site, n (%)
  Refugee 1056 (66.8)
  Migrant 524 (33.2)
 Ethnicity, n (%)
  Karen 1165/1546 (75.4)
  Burman 258/1546 (16.7)
  Other 123/1546 (8.0)
 Age in years, median, (IQR) 24 (20–30) n = 1579
 Literacy, n (%) 947/1442 (56.7)
 Smoking, n (%) 222/1574 (14.1)
 Primigravida, n (%) 763 (48.3)
 Multiple pregnancy, n (%) 61 (3.9)
 Place of birth, n (%)
  SMRU 1423 (90.1)
  Tertiary hospital 68 (4.3)
  Home 77 (4.9)
  Other 12 (0.8)
 Type of delivery
  Normal vaginal delivery, n (%) 1427 (90.3)
  Breech and face delivery, n (%) 49 (3.1)
  Instrumental vaginal delivery, n (%) 62 (3.9)
  Caesarian section, n (%) 42 (2.7)
Newborn characteristics
 Gestational age, n (%)
  < 32 weeks 53/1578 (3.4)
  32 < 37 weeks 437/1578 (27.7)
  ≥ 37 weeks 1088/1578 (68.9)
 Gender (male), n (%) 922 (58.4)
 Small for gestational age, n (%) 297/1554 (19.1)
 Congenital abnormality, n (%) 44 (2.8)
Hospitalization characteristics
 INH as sole clinical diagnosisb, n (%) 911 (57.7)
 Infection
  Severe infection, n (%) 296 (18.7)
  Mild infection, n (%) 206 (13.0)
 Age in days at admission, median, (IQR) 2 (1–3)
 Age in hours at presentation of INH, median, (IQR) 55 [36–92]
 Length of stay in days, median, (IQR)
  1–3 days 588 (37.2)
  > 3–5 days 307 (19.4)
  > 5–8 days 323 (35.1)
  > 8 days 362 (39.3)
 Mortality during hospitalization, n (%) 31 (2.0)
  1. aDenominator unless stated otherwise
  2. bClinical diagnoses do not include prematurity, G6PD deficiency or potential ABO incompatibility