Table 4. Incidence of asthma by sex from 2004 to 2012: NHIS-NSC database.
| Characteristics | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 |
|---|---|---|---|---|---|---|---|---|---|
| Number of people with newly diagnosed asthma | 26,734 | 53,141 | 76,617 | 100,006 | 119,567 | 139,600 | 159,303 | 180,713 | 201,970 |
| Person-year (from 2002) | 2,781,429 | 3,663,136 | 4,446,443 | 5,349,011 | 6,018,190 | 6,755,781 | 7,505,520 | 8,234,300 | 8,942,868 |
| Incidence density (per 1,000 person-years) | 9.612 | 14.507 | 17.231 | 18.696 | 19.868 | 20.664 | 21.225 | 21.946 | 22.584 |
| Sex | |||||||||
| Male | 8.599 | 12.856 | 15.343 | 16.569 | 17.521 | 18.152 | 18.638 | 19.274 | 19.798 |
| Female | 10.677 | 16.181 | 19.149 | 20.861 | 22.272 | 23.242 | 23.887 | 24.702 | 25.465 |
NHIS-NSC, National Health Insurance Service-National Sample Cohort