Table 1.

Demographic Data for the 40 Infants Enrolled

Mean ± Standard
Deviation (Range)
Gestational age (wk)28.7 ± 2.5 (24–33)
Postconceptual age at time of
study (wk)
30.3 ± 3.8 (26.5–34)
Birth weight (g)1256 ± 417 (560–1950)
Study weight (g)1260 ± 398 (660–2130)