Table 1

Characteristics of extremely preterm children with complete Social Communication Questionnaire (SCQ) and Development and Well-Being Assessment (DAWBA) data and those with incomplete data at 11 years of age

CharacteristicsComplete data (n=173)Incomplete data (n=46)p Value
Male, n (%)78 (45%)23 (50%)0.62
Gestational age ≤24 weeks, n (%)71 (41%)22 (48%)0.50
Neuromotor impairment, n (%)12 (7%)9 (20%)0.020
Hearing impairment, n (%)3 (2%)1 (2%)1.000
Visual impairment, n (%)11 (6%)8 (17%)0.034
MPC (IQ) score*, mean (SD)85.7 (16.5)*76.1 (21.2)0.006
Cognitive impairment, n (%)63 (36%)24 (52%)0.063
Functional disability, n (%)71 (41%)27 (59%)0.045
  • * MPC refers to Mental Processing Composite scores from the Kaufman Assessment Battery for Children. MPC scores were obtained for 171 children with complete data. Definitions of neuromotor, hearing and visual impairment and functional disability have been published elsewhere.1