Table 3

Anthropometric measurements in preterm infants with bronchopulmonary dysplasia during the first year of life

6 weeks3 months6 months9 months12 months
Results are expressed as estimated mean (SE) at given post-term ages. At all ages, weight, length, and head circumference were significantly greater for boys than for girls (p<0.001).
Boys
    Weight (kg)3.863 (0.128)5.156 (0.127)7.038 (0.178)8.209 (0.259)8.670 (0.364)
    Length (cm)51.4 (0.6)56.7 (0.6)64.8 (0.6)70.5 (0.7)73.9 (0.9)
    Head circumference (cm)37.9 (0.3)40.2 (0.3)43.5 (0.3)45.4 (0.4)46.0 (0.4)
Girls
    Weight (kg)3.134 (0.134)4.276 (0.132)5.874 (0.176)6.761 (0.246)6.938 (0.337)
    Length (cm)48.8 (0.6)54.1 (0.6)62.3 (0.7)67.9 (0.7)71.3 (0.9)
    Head circumference (cm)36.0 (0.4)38.3 (0.4)41.6 (0.4)43.5 (0.4)44.1 (0.4)