TABLE 1

Study Population

GMFCS Level
IIIIIIIVV-NTaV-TFb
No. of assessments14 03031 80813 99424 74411 9195668
Male, %615755575454
Age, median (interquartile range), y4.5 (1.7–6.8)4.5 (2.7–6.4)4.6 (3.2–6.5)4.4 (2.6–6.4)3.9 (2.2–6.3)4.1 (2.4–6.4)
Has a feeding tube, %12590100
Orally fed by others, %121133850
Has severe (IQ 20–34) or profound (IQ < 20) mental retardation, %112234506884
Low birth weight (<2500 g) or preterm labor (<37 wk), %252835312322
Weight, median (interquartile range), kg28 (16–50)27 (19–44)26 (18–39)21 (15–32)18 (13–26)23 (16–31)
  • Observations are 102 163 CDERs from 25 545 subjects with cerebral palsy, who received services from the California Department of Developmental Services between 1988 and 2002. Some children contributed observations to more than 1 group.

  • a Is fed orally.

  • b Dependent on a feeding tube.