Table 1.
Cohort demographics and baseline characteristics
| All patients (1,331,934) | Never exacerbated (1,315,655) | Exacerbated (16,279) | |
|---|---|---|---|
| Age (mean) | 49 years | 49 years | 42 years |
| Gender | |||
| Male | 401,924 | 397,000 | 4924 |
| Female | 929,355 | 918,003 | 11,352 |
| Unknown | 655 | 652 | 3 |
| Race | |||
| White | 982,116 | 973,131 | 8985 |
| African American | 231,517 | 225,164 | 6353 |
| Asian | 20,751 | 20,642 | 109 |
| Other/unknown | 97,550 | 96,718 | 832 |
| Ethnicity | |||
| Non-Hispanic | 1,130,898 | 1,116,633 | 14,265 |
| Hispanic | 88,597 | 86,896 | 1701 |
| Other/unknown | 112,439 | 112,126 | 313 |
| CS | |||
| Oral | 302,529 | 299,035 | 3494 |
| Inhaled | 431,132 | 426,195 | 4937 |