Research Article

Pediatric Influenza-Associated Deaths in New York State: Death Certificate Coding and Comparison to Laboratory-Confirmed Deaths

Table 3

Demographic characteristics and underlying cause of death.

Laboratory-confirmed pediatricMatched deathsP&I surveillance only
Influenza-associated death surveillance only
% % %

Age group
 <2 years17.1%16.3%3058.8%
 2–4 years214.3%212.5%917.6%
 5+ years1178.6%1381.2%1223.5%
Influenza type/subtype
 Influenza A428.6%531.3%n/a
 Influenza B17.1%2 12.5%n/a
 pH1N19 64.3%956.3%n/a
Autopsy performed
 Yes1071.4%1168.8%3874.5%
 If yes, findings used to determine cause of death10100%1090.9%2771.1%
Underlying cause of death
 Influenza (J09–J11)n/a16100%47.8%
 Pneumonia (J12–J18)n/a04792.2%
 Other14100%n/an/a