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Intra- and inter-assay coefficients of variation (CVs) in saliva specimens with different alpha-amylase activity
| Intra-assay | Inter-assay | |||
|---|---|---|---|---|
| Specimens | Mean (U/L) | CV (%) | Mean (U/L) | CV (%) |
| Low | 40.3 | 2.00 | 33.4 | 2.60 |
| Medium | 160.0 | 2.27 | 130.0 | 1.38 |
| High | 765.7 | 1.27 | 656.3 | 3.47 |
