Table 1. AMTM/REF bias estimates (at low, mid, and high concentrations) for each assay (named by manufacturer).a
CHOLbCREAGLUHDLLDLPHOSTRIGLUA
Bias limit (%)444.54.54.54.54.54
Abbott3.05.1−0.45.52.70.12.5−4.9
2.53.7−0.2−1.01.50.00.1−1.2
2.32.80.2−5.40.90.0−1.01.9
Beckman2.7−0.62.10.3NA0.85.8−2.6
3.80.51.9−3.2NA0.55.4−1.3
4.41.11.6−5.6NA0.45.3−0.3
Ortho−0.61.6−3.00.0NA14.6−0.9−2.2
0.01.2−2.8−1.1NA8.9−0.3−2.6
0.40.9−2.4−1.9NA6.70.0−2.8
Roche3.52.6−0.7−0.35.2−1.10.0−4.6
2.52.7−0.63.92.0−0.7−1.6−3.4
1.92.7−0.66.70.4−0.5−2.3−2.4
Siemens0.7−5.51.22.80.01.30.30.4
0.0−4.21.02.2−0.31.10.70.8
−0.4−3.40.51.7−0.41.11.01.2
Thermo Scientific2.2−1.50.8−8.32.1NA−1.95.2
2.6−0.30.7−0.7−0.1NA1.06.4
2.80.50.64.4−1.3NA2.37.3
  • a The underlined values indicate violation of the limits.

  • b CHOL, cholesterol; CREA, creatinine; GLU, glucose; HDL, HDL cholesterol; LDL, LDL cholesterol; PHOS, phosphate; TRIGL, triglycerides; UA, uric acid; NA, not applicable.