Table 2.
Estimated effect of live poultry market closure in Shanghai, Nanjing and Hangzhou
|
Line list |
Estimated incidence rate ratio (
P
value) |
||
|---|---|---|---|
| Shanghai | Nanjing | Hangzhou | |
| China CDC |
0.064 (<0.001) |
0.014 (0.007) |
0.000 (<0.001b) |
| HealthMapa |
0.067 (<0.001) |
0.000 (0.034b) |
0.007 (<0.001) |
| Virginia Techa |
0.037 (<0.001) |
0.017 (0.010b) |
0.006 (<0.001) |
| FluTrackersa | 0.061 (<0.001) | 0.362 (0.328) | 0.004 (<0.001) |
aMissing onset dates were imputed based on the empirical onset-to-report distribution from other A(H7N9) cases in Shanghai, Nanjing and Hangzhou. bThere were no cases two days after the market closure in Nanjing and Hangzhou. P values were based on likelihood ratio tests. China CDC, Chinese Center for Disease Control and Prevention.