TABLE 4

Mortality, Neurodevelopmental, and Behavioral Outcomes at 5 Years of Age and School Difficulties at 8 Years of Age According to Birth Weight for Preterm Children With GAs Between 29 and 32 Weeks

29–32 wk gestation
AGA (≥20th Centile)M-SGA (10th–19th Centile)SGA (<10th Centile)P
Mortality
    n/N (%)79/1634 (4.8)8/193 (4.2)20/191 (10.5)<.01
    aOR (95% CI)a1.001.10 (0.48–2.48)2.79 (1.50–5.20)
Cerebral palsy
    n/N (%)85/1110 (7.7)6/131 (4.6)4/125 (3.2).10
    aOR (95% CI)b1.000.57 (0.24–1.34)0.39 (0.14–1.08)
Cognitive deficiency
    n/N (%)268/933 (28.7)51/122 (41.8)43/106 (40.6)<.01
    aOR (95% CI)c1.001.87 (1.24–2.82)1.73 (1.12–2.69)
Inattention-hyperactivity symptoms
    n/N (%)156/1041 (15.0)19/121 (15.7)27/115 (23.5).07
    aOR (95% CI)d1.001.19 (0.69–2.03)1.78 (1.10–2.89)
Total behavioral difficulties
    n/N (%)201/1037 (19.4)32/121 (26.5)22/115 (19.1).18
    aOR (95% CI)d1.001.66 (1.04–2.62)0.98 (0.59–1.63)
School difficulties
    n/N (%)163/887 (18.4)24/104 (23.1)30/107 (28.0).04
    aOR (95% CI)e1.001.28 (0.75–2.16)1.74 (1.07–2.82)
  • P refers to results of χ2 or Fisher's exact tests.

  • a Adjusted for GA, gender, social class of the family, type of pregnancy (single versus multiple), and antenatal corticosteroids.

  • b Adjusted for GA, gender, social class of the family, and type of pregnancy (single versus multiple).

  • c Adjusted for GA, social class of the family, and age, nationality, and parity of the mother at birth.

  • d Adjusted for GA, gender, social class of the family, age and parity of the mother, type of pregnancy (single versus multiple), and antenatal corticosteroids.

  • e Adjusted for GA, gender, social class of the family, and age and parity of the mother at birth.