TABLE 1.

Proportions of Infants at Different Gestational Ages Delivered at University and General Hospitals (Live Singleton Infants Born Between 24 and 31 Weeks’ Gestation in Sweden 1992–1998)

Gestational age, wkUniversity HospitalGeneral HospitalTest for Homogeneity
n(%)n(%)
2448(59.3)33(40.7)P < .001
25109(72.7)41(27.3)
26105(67.3)51(32.7)
27119(53.8)102(46.2)
28111(41.9)154(58.1)
29146(39.9)220(60.1)
30123(29.3)297(70.7)
31163(27.9)422(72.1)