Table 3 HBsAg immunoassay results classification error rate on test data for all patient cohort analysed by random forest (overall error rate = 7.30%). Table supports the results presented in Fig. 2. The top four predictor variables were used for the calculation of error rate.
HBsAg category | HBsAg negative | HBsAg positive | Error rate |
|---|---|---|---|
Negative | 77 | 13 | 0.144 |
Positive | 7 | 177 | 0.038 |