Table 2.

Precision analyses for the Elecsys HBsAg II quantitative assaya

AssaySampleMean (IU/ml)RepeatabilityIntermediate precision
SD (IU/ml)CV (%)SD (IU/ml)CV (%)
Elecsys 2010 and cobas e 411 analyzers (1:100onboard dilution)HS 13.070.0561.80.175.6
HS 254.30.7471.43.045.6
HS 36,6102373.63725.6
PreciControl HBsAg II 1<0.05
PreciControl HBsAg II 20.1090.0033.10.0108.9
Modular Analytics E170, cobas e 601, or cobas e 602 (1:400 onboard dilution)HS 43.060.0692.30.154.9
HS 555.51.482.73.646.6
HS 637,3001,4904.03,5909.6
PreciControl HBsAg II 1<0.05
PreciControl HBsAg II 20.1300.0075.60.0107.6
  • a SD, standard deviation; CV, coefficient of variation; HS, human serum.