TABLE 4.

Case Fatality of Birth Asphyxia Stratified by Associated Perinatal Complications and by Birth Weight

Birth Weight ≥2000 g (N = 21 721) Birth Weight <2000 g (N = 2609)
Birth Asphyxia, n (%) Case Fatality, n (%) Birth Asphyxia, n (%) Case Fatality, n (%)
Perinatal complications
    Congenital anomaly2302 (10.6)180 (7.8)837 (32.1)194 (23.2)
    Maternal hemorrhage442 (2.0)28 (6.3)171 (6.6)55 (32.2)
    Prolapsed cord166 (0.8)9 (5.4)37 (1.4)14 (37.8)
    Other cord abnormalities218 (1.0)11 (5.0)15 (0.6)3 (20.0)
    Central nervous system infection32 (0.2)1 (3.1)13 (0.5)1 (7.7)
    Cesarean section7361 (33.9)210 (2.9)1466 (56.2)222 (15.1)
    IUGR106 (0.5)3 (2.8)75 (2.9)9 (12.0)
    Small for gestational age412 (1.9)10 (2.4)140 (5.4)21 (15.0)
    Breech vaginal delivery171 (0.8)4 (2.3)66 (2.5)14 (21.2)
    Multiple gestation619 (2.9)14 (2.3)465 (17.8)88 (18.9)
    Malposition620 (2.9)13 (2.1)31 (1.2)9 (29.0)
    Maternal hypertension354 (1.6)6 (1.7)166 (6.4)14 (8.4)
    Chorioamnionitis306 (1.4)5 (1.6)67 (2.6)32 (47.8)
    Maternal toxin exposure519 (2.4)8 (1.5)157 (6.0)26 (16.6)
    Maternal infection711 (3.3)6 (0.8)122 (4.7)39 (32.0)
    Large for gestational age1930 (8.9)15 (0.8)3 (0.1)1 (33.3)
    Nuchal cord2010 (9.3)15 (0.7)44 (1.7)13 (29.5)
    Postterm487 (2.2)3 (0.6)1 (0.0)0 (0.0)
    Premature rupture of membranes261 (1.2)1 (0.4)154 (5.9)31 (20.1)
None of the above8704 (40.1)32 (0.4)460 (17.6)176 (38.3)
All birth asphyxia21 721 (100)353 (1.6)2609 (100)621 (23.8)