Table 2. Total and ILI-associated monthly number, duration, and rates of sick leave by HCWs, Hospital das Clínicas,São Paulo, Brazil, August 2008–October 2009*.
| Date | Total no. HCWs | ILI-associated |
No. sick leaves from all causes | % Sick leaves from ILI | ||
|---|---|---|---|---|---|---|
| No. sick leaves | Average duration, d | Days/100 HCWs | ||||
| 2008 | ||||||
| Aug | 17,890 | 27 | 1.63 | 0.25 | 1,609 | 1.7 |
| Sep | 16,243 | 33 | 1.61 | 0.33 | 1,931 | 1.7 |
| Oct | 18,064 | 36 | 1.36 | 0.27 | 1,741 | 2.1 |
| Nov | 18,294 | 40 | 1.90 | 0.42 | 1,567 | 2.6 |
| Dec |
18,370 |
47 |
1.43 |
0.29 |
1,555 |
2.4 |
| 2009 | ||||||
| Jan | 18,500 | 31 | 1.65 | 0.03 | 1,586 | 2.0 |
| Feb | 18,697 | 18 | 2.11 | 0.20 | 1,444 | 1.2 |
| Mar | 18,426 | 37 | 1.78 | 0.36 | 1,982 | 1.9 |
| Apr | 17,804 | 30 | 1.47 | 0.25 | 1,815 | 1.7 |
| May | 17,994 | 40 | 1.35 | 0.30 | 1,884 | 2.1 |
| Jun | 18,102 | 79 | 1.66 | 0.72 | 1,899 | 4.2 |
| Jul | 18,216 | 279 | 3.36 | 5.14 | 2,306 | 12.1 |
| Aug | 18,400 | 548 | 4.23 | 12.60 | 2,716 | 20.2 |
| Sep | 18,544 | 240 | 3.37 | 4.36 | 2,180 | 11.0 |
| Oct | 18,476 | 96 | 2.15 | 1.11 | 1,887 | 5.1 |
*ILI, influenza-like illness; HCW, health care worker. Includes entire hospital complex.