| Test | Normal results being repeated, n (% of normal results) | Normal repeats remaining normal, n (% of normal repeats) |
|---|---|---|
| Urine screening | 14 (82) | 4 (29) |
| Creatine kinase | 2 (22) | 1 (50) |
| Iron | 3 (14) | 2 (67) |
| Cholesterol | 4 (6) | 3 (75) |
| Reticulocytes | 8 (29) | 6 (75) |
| Leucocyte differential | 106 (72) | 82 (77) |
| Potassium | 90 (74) | 70 (78) |
| Glucose | 73 (57) | 57 (78) |
| Sodium | 83 (75) | 67 (81) |
| Ferritin | 11 (31) | 9 (82) |