Comparison of the levels of factor IX and factor VIII
| Factor VIII . | Factor IX . | Patients . | Controls . | OR (95% CI) . |
|---|---|---|---|---|
| Low | Low | 278 | 387 | 14-150 |
| High | Low | 62 | 40 | 2.2 (1.4-3.3) |
| Low | High | 45 | 39 | 1.6 (1.0-2.5) |
| High | High | 41 | 7 | 8.2 (3.6-18.4) |
| Factor VIII . | Factor IX . | Patients . | Controls . | OR (95% CI) . |
|---|---|---|---|---|
| Low | Low | 278 | 387 | 14-150 |
| High | Low | 62 | 40 | 2.2 (1.4-3.3) |
| Low | High | 45 | 39 | 1.6 (1.0-2.5) |
| High | High | 41 | 7 | 8.2 (3.6-18.4) |
High means above 90th percentile, low means below 90th percentile (of the control subjects).
The 90th percentile of factor IX and factor VIII, respectively, (measured in control subjects): 129 U/dL and 151 IU/dL.
Reference category.