TABLE 4.

Causes-of-Death Rates Per 100 000 Live Births Adjusted for ICD Coding Changes From ICD-9 to ICD-10

Cause of Death1992199319941995199619971998199920002001Average Annual Change, % (95% CIs)*
SIDS
    Unadjusted113.0109.596.581.572.972.466.861.657.150.9−8.6 (−9.0, −8.2)
    Adjusted119.4115.8102.086.177.176.570.661.657.150.9−9.2
Unknown
    Unadjusted15.416.914.316.614.113.513.716.319.423.03.3
(2.4, 4.2)
    Adjusted14.716.213.815.913.512.913.216.319.423.04.0
Suffocation-bed
    Unadjusted2.73.53.73.53.43.84.25.45.68.211.2 (9.3, 13.0)
    Adjusted3.03.94.13.93.84.34.75.45.68.29.2
Suffocation-other
    Unadjusted2.33.13.63.63.13.22.93.54.03.73.2 (1.3, 5.1)
    Adjusted2.02.73.13.12.72.72.53.54.03.75.3
  • * Average annual change in rates was determined by Poisson regression.

  • Rates were adjusted for the change in ICD coding to allow deaths classified under ICD-9 to approximate deaths classified under ICD-10 coding rules.