Correlation between the results of the COBAS-AM and branched DNA assays in 124 samples positive for both
| No. | HBV DNA value* | Spearman’s rank correlation coefficient | p Value | |||
|---|---|---|---|---|---|---|
| bDNA assay | COBAS-AM test | Difference† | ||||
| *Expressed as mean (SD) of logarithmic transformation (log copies or equivalent/ml); †difference = log(bDNA assay)−log(COBAS-AM test). | ||||||
| All | 124 | 8.17 (1.13) | 7.62 (1.25) | 0.55 (0.54) | 0.901 | <0.0001 |
| HBeAg | ||||||
| Positive | 76 | 8.63 (0.97) | 8.04 (1.19) | 0.52 (0.58) | 0.906 | <0.0001 |
| Negative | 48 | 7.48 (0.93) | 6.96 (1.01) | 0.92 (0.75) | 0.824 | <0.0001 |