From: Validating the weight gain of preterm infants between the reference growth curve of the fetus and the term infant
Total
Calgary
Regina
San Diego
n
977
851
93
34
Birthweight (grams)
947 (220)
943 (216)
938 (174)
1079 (393)
Gestational age (weeks)
27.0 (1.9)
26.3 (1.3)
27.7 (2.5)