Table 3.
Characteristics of the annual ALT tests performed at Saltro
| Total ALT tests | ALT 0–30 IU/l | ALT 30–50 IU/l | ALT 50–70 IU/l | ALT 70–100 IU/l | ALT ≥100 IU/l | |
|---|---|---|---|---|---|---|
| Annual ALT tests and results | 93 637 | 64 326 | 19 783 | 5246 | 2410 | 1872 |
| Percentage of total ALT tests (95% CI) | 100 | 68.7 (68.4 to 69.0) | 21.1 (20.9 to 21.4) | 5.6 (5.5 to 5.8) | 2.6 (2.5 to 2.7) | 2.0 (1.9 to 2.1) |
| Mean age, years (SD) | 56 (20) | 56 (21) | 56 (16) | 53 (15) | 52 (15) | 51 (19) |
| Sex — female, n (%) | 52 836 (56.4) | 42 037 (65.3) | 7623 (38.5) | 1700 (32.4) | 749 (31.1) | 727 (38.8) |
| Mean ALT, IU/l (SD) | 31 (64) | 19 (5) | 37 (6) | 58 (6) | 81 (8) | 233 (393) |
SD = standard deviation. ALT = alanine aminotransferase test.