Volume 17, Number 9—September 2011
Dispatch
Syndromic Surveillance during Pandemic (H1N1) 2009 Outbreak, New York, New York, USA
Table
Borough and pandemic phase |
Median days to increase in visits for ILI |
p value† |
|
ED |
AC |
||
Phase 1: Apr 24–May 8 | |||
All | 4 | 12 | <0.001 |
Bronx | 5 | 12 | 0.045 |
Brooklyn | 3 | 14 | 0.025 |
Manhattan | 4 | 13 | 0.008 |
Queens | 3 | 7 | 0.007 |
Staten Island |
14 |
10 |
0.902 |
Phase 2: May 14–Jun 4 | |||
All | 4 | 8 | <0.001 |
Bronx | 1 | 6 | 0.004 |
Brooklyn | 4 | 12 | 0.039 |
Manhattan | 4 | 7 | 0.016 |
Queens | 4 | 8 | 0.091 |
Staten Island | 5 | 8 | 0.012 |
*ILI, influenza-like illness; ED, emergency department; AC, ambulatory care.
†1-sided log rank test.
Page created: September 06, 2011
Page updated: September 06, 2011
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