Table 7. Comparison between CV (%) in different laboratories.
| Parameters | Medical Research Institute | Zagazig University | Ain Shams University | The private laboratory |
|---|---|---|---|---|
| AFP | 6.7 | 5.8 | -- | -- |
| ALT | 3.4 | 4.6 | 6.7 | 2.9 |
| Alb | 1.9 | 2.0 | 7.2 | 2.0 |
| ALP | 6.9 | 5.0 | 8.0 | 6.4 |
| BD | 7.5 | 3.9 | 9.4 | 6.4 |
| BT | 2.6 | 3.3 | 6.6 | 3.5 |
| Calcium | 2.3 | 1.9 | 6.0 | 1.4 |
| CEA | 11.4 | -- | -- | -- |
| Cholesterol | 2.6 | 1.6 | 6.3 | 1.6 |
| Creatinine | 7.5 | 3.8 | 7.9 | 4.2 |
| Glucose | 1.4 | 2.1 | 1.8 | 1.8 |
| LD | 4.7 | 3.4 | -- | 3.4 |
| Magnesium | 4.3 | 4.1 | 8.4 | 4.2 |
| Phosphorous | 3.5 | 4.0 | -- | 1.8 |
| Potassium | 5.1 | 2.4 | 8.0 | -- |
| Total protein | 3.3 | 1.9 | 6.9 | 1.7 |
| Triglycerides | 3.1 | 2.3 | -- | 2.0 |
| Uric acid | 1.9 | 2.4 | 4.6 | 2.5 |
| Urea | 1.9 | 4.0 | 6.0 | 2.6 |
| GGT | 11.0 | 3.2 | 10.4 | 1.5 |
| CV – coefficient of variation. AFP - alpha fetoprotein. ALT - alanine aminotransferase. Alb – albumin. ALP - alkaline phosphatase. BD – billirubin, direct. BT- bilirubin, total. CEA - carcinoembryonic antigen. LD - lactate dehydrogenase. GGT - gamma glutamyltransferase. | ||||