Table 1

Subject demographics for neonates included in the study

Non-insulin treated (<30 weeks PMA) Mean (SD, n)Insulin treated mean (SD, n)p Value (from t-test)
Gestational age (weeks)28.0 (1.4, 20)25.5 (1.8, 9)<0.001
PMA (weeks)28.3 (1.5, 20)26.3 (1.8, 9)<0.01
Birth weight (g)*1109 (211, 20)800 (184, 9)<0.001
Weight (g)1110 (277, 17)807 (178, 7)<0.05
Birth length (cm)37.2 (3.6, 17)33.3 (3.0, 8)<0.05
Birth head circumference (cm)26.0 (1.7, 18)22.9 (2.1, 8)<0.001
  • Note some data are missing where not recorded in patient notes as indicated by the different n values.

  • *All neonates had appropriate weights for their gestational ages according to percentiles and z-scores.

  • PMA, postmenstrual age.