Number of participants and acceptable rates in urine chemistry QC
| Tests | 1st QC | 2nd QC | 3rd QC |
|---|---|---|---|
| pH | 1,709 (91.9) | 1,708 (93.3) | 1,713 (94.6) |
| Protein | 1,722 (91.8) | 1,722 (95.2) | 1,728 (97.9) |
| Glucose | 1,711 (98.4) | 1,710 (98.1) | 1,715 (99.3) |
| Ketone | 1,661 (99.6) | 1,660 (99.9) | 1,664 (99.9) |
| Bilirubin | 1,661 (91.7) | 1,657 (91.4) | 1,662 (90.3) |
| Blood | 1,710 (98.1) | 1,709 (99.2) | 1,714 (99.2) |
| Urobilinogen | 1,661 (55.8) | 1,659 (77.1) | 1,664 (73.5) |
| Nitrite | 1,628 (99.3) | 1,629 (99.5) | 1,634 (99.8) |
| Leukocyte | 1,615 (99.4) | 1,615 (99.4) | 1,618 (99.7) |
Values are presented as the number of participants (acceptable %). The results with <95% accuracy are indicated in bold types.
Abbreviation: QC, quality control.