TABLE 1.

Postneonatal Mortality Rates (Per 100 000 Live Births) for the United States for the Years 1991 to 1996

Year of BirthSIDSSuffocationAspirationRespiratory FailureAsphyxiaTotal Postneonatal Mortality
19911182.821.390.440.41319
(4871)(116)(57)(18)(17)(13 118)
19921132.711.400.470.62315
(4598)(110)(57)(19)(25)(12 808)
19931103.451.170.420.35308
(4388)(138)(47)(17)(14)(12 331)
1994973.671.190.480.43291
(3824)(145)(47)(19)(17)(11 494)
1995803.380.970.380.59259
(3122)(132)(38)(15)(23)(10 113)
1996723.260.930.310.39249
(2801)(127)(36)(12)(15)(9712)
χ2*6813.66.170.940.02549
P value<.001.056.012.332.881<.001
  • Number of cases in parentheses.

  • * χ2 value for linear trends.

  • P value determined from χ2 value for linear trends.