Table 1.
Comparison of the distribution of selected demographic and clinical characteristics among those cases included in the study sample to those cases excluded from the study sample
| Risk factor | Study sample (n = 1254) | Excluded from study sample (n = 546) | P-Value | ||
|---|---|---|---|---|---|
| N | % | N | % | ||
| Race | |||||
| White | 419 | 33.4 | 199 | 36.5 | <0.0001 |
| Black/African American | 525 | 41.9 | 196 | 35.9 | |
| Asian | 310 | 24.7 | 118 | 21.6 | |
| American Indian/Alaskan Native | 5 | 0.92 | |||
| Native Hawaiian or Other | 14 | 2.6 | |||
| Unknown | 11 | 2.0 | |||
| Missing | 3 | 0.55 | |||
| Age groups (years) | |||||
| <18 | 124 | 22.7 | <0.0001 | ||
| 18–64 | 939 | 74.9 | 324 | 59.3 | |
| 65+ | 315 | 25.1 | 98 | 18.0 | |
| Gender | |||||
| Male | 750 | 59.8 | 297 | 54.4 | 0.04 |
| Female | 504 | 40.2 | 248 | 45.4 | |
| Missing | 1 | 0.18 | |||
| Nativity | |||||
| Foreign-born | 557 | 44.4 | 241 | 44.1 | 0.58 |
| US-born | 694 | 55.3 | 302 | 55.3 | |
| Missing | 3 | 0.24 | 3 | 0.55 | |
| Site of disease | |||||
| Pulmonary | 880 | 70.3 | 308 | 56.4 | <0.0001 |
| Extrapulmonary | 275 | 22.0 | 188 | 34.4 | |
| Both | 97 | 7.8 | 46 | 8.4 | |
| Missing | 2 | 4 | 0.73 | ||
Classifications of race, age, gender, nativity, and site of TB disease were defined based on the Report of Verified Case of TB form developed by the Centers for Disease Control and Prevention
P-values are based on the chi-squared test