Table 2.
Predictors of HBV Screening* in Multivariable Logistic Regression Analysis
| Predictor | Screened for HBV† |
|
|---|---|---|
| OR | 95% CI | |
| Age | 0.98 | 0.98 to 0.99‡ |
| Sex | ||
| Male | 1.5 | 1.3 to 1.7‡ |
| Female | Reference | |
| Ethnicity | ||
| Hispanic | 0.9 | 0.7 to 1.1 |
| Black | 0.7 | 0.6 to 0.9§ |
| Asian | 1.3 | 0.8 to 2.0 |
| Other | 1.4 | 0.9 to 2.2 |
| White | Reference | |
| History of HBV infection | ||
| Yes | 10.2 | 5.9 to 17.6‡ |
| No | Reference | |
| HBV risk factors | ||
| Yes | 1.6 | 1.3 to 1.9‡ |
| No | Reference | |
| Cancer type | ||
| Hematologic malignancy | 21.5 | 18.3 to 25.2‡ |
| Primary liver cancer | 7.0 | 3.9 to 11.8‡ |
| Solid tumor, excluding primary liver cancer | Reference | |
| Chemotherapy type | ||
| Rituximab | 4.2 | 3.4 to 5.1‡ |
| Immunotherapy, excluding rituximab | 1.0 | 0.8 to 1.2 |
| Chemotherapy/nonimmunotherapy | Reference | |
Abbreviations: anti-HBc, antibody to hepatitis B core antigen; HBsAg, hepatitis B surface antigen; HBV, hepatitis B virus; OR, odds ratio.
*
Either HBsAg or anti-HBc test.
†
Total of 1,752 patients had HBsAg screening test; 1,700 had anti-HBc screening test; 1,665 had both HBsAg and anti-HBc screening tests.
‡
P < .001.
§
P < .01.