Factor IX levels (U/dL) in healthy control subjects
| . | n (473) . | Factor IX mean (SD) . |
|---|---|---|
| Sex | ||
| Men | 201 | 105 (19.5) |
| Women | 272 | 102 (21.9) |
| Use of oral contraceptives* | ||
| Yes | 54 | 115 (23.4) |
| No | 99 | 93 (18.8) |
| Age (y) | ||
| ≤ 35 | 118 | 100 (20.6) |
| 35-45 | 118 | 102 (21.2) |
| 45-55 | 119 | 100 (18.9) |
| ≥ 55 | 118 | 110 (21.5) |
| . | n (473) . | Factor IX mean (SD) . |
|---|---|---|
| Sex | ||
| Men | 201 | 105 (19.5) |
| Women | 272 | 102 (21.9) |
| Use of oral contraceptives* | ||
| Yes | 54 | 115 (23.4) |
| No | 99 | 93 (18.8) |
| Age (y) | ||
| ≤ 35 | 118 | 100 (20.6) |
| 35-45 | 118 | 102 (21.2) |
| 45-55 | 119 | 100 (18.9) |
| ≥ 55 | 118 | 110 (21.5) |
At time of venipuncture, for 153 women in reproductive age (see “Materials and methods” for selection criteria).