Research Article

Assessment of Coverage and Quality of Selected Clinical Chemistry Tests among Medical Laboratories of Health Facilities in Jimma Zone, South West Ethiopia

Table 4

Normal range, stated value, target value (manufacturer), mean of participating laboratories, and acceptable values based on TEa ± 20%, ±10%, ±15%, and ±20 for each analytes ALT, glucose, creatinine, and total bilirubin, respectively, from Humatrol N control sample given in IU/L and mg/dl.

Type of tests Normal range Stated value Target valueMean Acceptable range based on stated value Acceptable range based on mean value

ALT24.2-38.736.621.3-34.023.329.3-44.018.6-28.0

Glucose92.6-128.0117.0134.0-194.095.7105.3-128.786.2-105.3

Creatinine1.1-1.81.51.3-2.01.41.3-1.81.2-1.7

Bilirubin total1.1-1.82.40.6-1.01.41.9-2.91.1-1.7