From: Trends in hepatitis B virus screening at the onset of chemotherapy in a large US cancer center
Predictor | Hematologic malignancy (N = 3657) | Solid tumorb(N =15,031) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
 | Screened | Univariate logistic regression | Multiple logistic regression OR | Screened | Univariate logistic regression | Multiple logistic regression | ||||
 | (N=2439) (66.7%) | OR (95% CI) | P value | (95% CI) | P value | (N=581) (3.9%) | OR (95% CI) | P value | OR (95% CI) | P value |
Age, years, mean (SD) | 52.5 (15.5) | 0.99 (0.99–1.0) | 0.005 | 0.99 (0.98–0.99) | 0.0001 | 52.4 (15.0) | 0.98 (0.98–0.99) | <0.0001 | 0.98 (0.97–0.98) | <0.0001 |
Sex, no. (%) | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Male | 1418/2133 (66.5) | Ref. | - | - | - | 297/5947 (5.0) | Ref. | - | Ref. | - |
 Female | 1021/1524 (67.0) | 1.0 (0.89–1.2) | 0.74 | - | - | 284/9084 (3.1) | 0.61 (0.52–0.73) | <0.0001 | 0.58 (0.49–0.70) | <0.0001 |
Race/ethnicity, no. (%) | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 White | 1776/2645 (67.2) | Ref. | - | Ref. | - | 392/10,523 (3.7) | Ref. | - | - | - |
 Hispanic | 324/486 (66.7) | 0.98 (0.80–1.2) | 0.84 | 0.92 (0.75–1.1) | 0.45 | 78/1833 (4.3) | 1.1 (0.90–1.5) | 0.27 | - | - |
 Black | 196/333 (58.9) | 0.70 (0.56–0.88) | 0.003 | 0.69 (0.55–0.88) | 0.002 | 51/1759 (2.9) | 0.77 (0.57–1.0) | 0.09 | - | - |
 Asian | 41/50 (82.0) | 2.2 (1.1–4.6) | 0.03 | 2.0 (0.98–4.3) | 0.06 | 35/458 (7.6) | 2.1 (1.5–3.1) | <0.0001 | - | - |
 Other | 102/143 (71.3) | 1.2 (0.8–1.8) | 0.23 | 1.0 (0.72–1.6) | 0.79 | 25/458 (5.5) | 1.5 (0.98–2.3) | 0.06 | - | - |
Residence, no. (%) | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 US | 2332/3510 (66.4) | Ref. | - | - | - | 564/14,580 (3.9) | Ref. | - | Ref. | - |
 Outside US | 107/147(72.8) | 1.4 (0.93–2.0) | 0.11 | - | - | 17/451 (3.8) | 0.97 (0.59–1.6) | 0.92 | 0.51 (0.30–0.90) | 0.02 |
HBV risk factor, no. (%) | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 No | 1683/2603 (64.7) | Ref. | - | Ref. | - | 321/10,694 (3.0) | Ref. | - | Ref. |  |
 Yes | 756/1054 (71.7) | 1.4 (1.2–1.6) | <0.0001 | 1.3 (1.1–1.5) | 0.001 | 260/4337 (6.0) | 2.1 (1.7–2.4) | <0.0001 | 2.5 (2.1–3.0) | <0.0001 |
Chemotherapy type, no. (%) | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Non-rituximab | 1191/1854 (64.2) | Ref. | - | Ref. | - | 469/14,857 (3.2) | Ref. | - | Ref. | - |
 Rituximab | 1248/1803 (69.2) | 1.2 (1.1–1.4) | 0.001 | 1.3 (1.2–1.5) | <0.0001 | 112/174 (64.4) | 55.4 (40.1–76.6) | <0.0001 | 62.0 (44.1–87.0) | <0.0001 |
Timing of first chemotherapyc | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Period 1 | 1428/2312 (61.8) | Ref. | - | Ref. | - | 326/9521 (3.4) | Ref. | - | Ref. | -  |
 Period 2 | 829/1101 (75.3) | 1.9 (1.6–2.2) | <0.0001 | 2.0 (1.6–2.3) | <0.0001 | 208/4602 (4.5) | 1.3 (1.1–1.6) | 0.001 | 1.3 (1.1–1.6) | 0.003 |
 Period 3 | 182/244 (74.6) | 1.8 (1.4–2.4) | <0.0001 | 1.9 (1.4–2.6) | <0.0001 | 47/908 (5.2) | 1.5 (1.1–2. 1) | 0.007 | 1.7 (1.2–2.3) | 0.003 |