Volume 12, Number 1—January 2006
Research
Influenza-associated Deaths in Tropical Singapore
Table 4
Model 6 mortality outcome | Adjusted risk ratio (95% CI), p value† |
|||
---|---|---|---|---|
Influenza A (H1N1) | Influenza A (H3N2) | Influenza B | RSV | |
All-cause deaths | 1.00 (0.96–1.04), 0.928 | – | 1.01 (1.00–1.02), 0.178 | 1.00 (0.97–1.00), 0.824 |
– | 1.04 (1.02–1.05), 0.000 | 1.01 (1.00–1.02), 0.008 | 1.00 (1.00–1.01), 0.484 | |
Underlying P&I deaths | 1.00 (0.88–1.13), 0.993 | – | 0.99 (0.96–1.02), 0.409 | 1.01 (0.99–1.02), 0.369 |
– | 1.08 (1.04–1.12), 0.000 | 1.00 (0.97–1.03), 0.878 | 1.01 (1.00–1.02), 0.099 | |
Underlying C&R deaths | 1.01 (0.95–1.08), 0.771 | – | 1.01 (0.99–1.02), 0.343 | 1.00 (0.99–1.01), 0.626 |
– | 1.05 (1.04–1.07), 0.000 | 1.01 (1.00–1.03), 0.037 | 1.00 (1.00–1.01), 0.166 |
*CI, confidence interval; RSV, respiratory syncytial virus; P&I, pneumonia and influenza; C&R, circulatory and respiratory.
†Risk ratio estimates (95% confidence intervals) of each death category were adjusted for number of days in each month, linear and squared time trends, seasonal patterns, temperature, and relative humidity; –, risk factor was not included in the model.
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