TABLE 4

Comparison of the Re-enrolled Sample and the Overall Survivor Population (≤1800 g)

Variable433 Survivors of the Original RCTPRe-enrolled Sample (264 Young Adults)P
KMCControlKMC (n = 139)Control (n = 125)
Multiple pregnancies, n (%)45 (19.8)28 (13.8).1229 (20.9)15 (12.1).06
Small for gestational age, n (%)18 (7.9)21 (10.3).4011 (7.9)7 (5.6).48
Gestational age at birth, median (min–max), wk33 (26–40)33 (26–40).4734 (26–40)34 (27–40).80
Gestational age at birth, n (%).68.77
 <32 wk114 (49.8)93 (45.6)66 (47.5)56 (44.8)
 33–34 wk60 (26.2)52 (25.5)39 (28.1)37 (29.6)
 35–36 wk37 (16.2)38 (18.6)23 (16.5)25 (20.0)
 >37 wk18 (7.9)21 (10.3)11 (7.9)7 (5.6)
Female sex, n (%)111 (48.5)122 (59.8).0272 (51.8)76 (60.8).17
Days in neonatal care unit (including intensive care), median (min–max)16 (1–64)23 (1–68).0015 (1–64)23 (1–57).00
Admission to neonatal care unit (including intensive care), n (%)179 (78.2)140 (68.6).02112 (80.6)88 (70.4).06
Weight at eligibility, median (min–max), g1590 (930–2000)1575 (1090–2000).401575 (930–1980)1550 (1100–2000).06
Age at eligibility, median (min–max), d10 (1–60)9 (1–55).599 (1–60)10 (1–53).87
Days on minimal care after eligibility, median (min–max)4 (1–31)7 (1–47).004 (1–31)7 (1–33).00
Weight at discharge, median (min–max), g1580 (1025–2000)1650 (1100–2550).001575 (1025–1900)1650 (1100–2000).00
Fragility index0.22 (–1.25 to 1.81)0.18 (–1.25 to 1.55).370.30 (–0.88 to 1.55)0.17 (–1.25 to 1.30).69
  • P, two-tailed χ2 test. Min–max, minimum–maximum.