Table 1. Peak Weeks per Year and ILI Percentages by Data Capture Mechanism.
Year | Data Source | Peak Week4 | Peak ILI %4 | Mean4 | Standard Deviation 4 | Mean (Oct-May) |
2012-2013 | Flu Near You | 2012, 45th | 28.57 | 3.29 | 6.13 | 3.841 |
Hospital EC Visits | 2012, 51st | 5.25 | 1.94 | 1.20 | 2.411 | |
ILINet | 2012, 51st | 2.62 | 0.72 | 0.79 | 1.013 | |
2013-2014 | Flu Near You | 2013, 51st | 10.29 | 2.22 | 2.40 | 2.481 |
Hospital EC Visits | 2013, 51st | 6.59 | 1.87 | 1.38 | 2.351 | |
ILINet | 2013, 51st | 3.73 | 0.67 | 0.94 | 0.961 | |
2014-2015 | Flu Near You | 2014, 37th | 9.43 | 2.77 | 2.96 | 3.562 |
Hospital EC Visits | 2014, 51st | 3.80 | 1.55 | 0.99 | 2.002 | |
ILINet | 2014, 46th | 1.48 | 0.28 | 0.41 | 0.412 | |
2015-2016 | Flu Near You | 2016, 25th | 6.9 | 1.90 | 1.65 | 2.123 |
Hospital EC Visits | 2016, 9th | 2.76 | 1.24 | 0.61 | 1.493 | |
ILINet | 2015, 51st | 0.96 | 0.18 | 0.23 | 0.235 | |
1Mean was calculated using weeks 40 through
22. 2Mean was calculated using weeks 40 through 21. 3Mean was calculated using weeks 39 through 21. 4The time interval was week 27 through week 26 of the following year. 5Mean was calculated using weeks 38 through 20. |