Table II.
Observed Deaths and Standardized Mortality Ratios* for World Trade Center Health Program Rescue and Recovery Worker Participants, 2002 – 2011 (n=28,918)
| Year | Deaths (N) | SMR | 95% CI |
|---|---|---|---|
| 2002 | 1 | 0.42 | 0.01 – 2.35 |
| 2003 | 7 | 0.29 | 0.12 – 0.60 |
| 2004 | 12 | 0.28 | 0.15 – 0.50 |
| 2005 | 25 | 0.49 | 0.32 – 0.73 |
| 2006 | 37 | 0.60 | 0.42 – 0.82 |
| 2007 | 45 | 0.54 | 0.39 – 0.72 |
| 2008 | 43 | 0.42 | 0.30 – 0.57 |
| 2009 | 40 | 0.35 | 0.25 – 0.48 |
| 2010 | 50 | 0.38 | 0.28 – 0.50 |
| 2011 | 70 | 0.46 | 0.36 – 0.58 |
| Total | 330 | 0.43 | 0.39 – 0.48 |
*
Indirect standardization for age, sex, calendar year to U.S. general population mortality rates
SMR = standardized mortality ratio; CI = confidence interval