Table 3 Accuracy of the IR spectral reference database and ANN for the identification of Streptococcus spp. and related species
| Â | ANN | Database | Combination | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Correct | Correct | Correct | ||||||||||
Species | Genus | Failed | m.i. | Species | Genus | Failed | m.i. | Species | Genus | Failed | m.i. | |
Known strains (210 spectra) | 209 (99.52%) | 210 (100%) | 0 (0%) | 1 (0.5%) | 209 (99.6%) | 210 (100%) | 0 (0%) | 1 (0.5%) | 210 (100%) | 210 (100%) | 0 (0%) | 0 (0%) |
Unknown (519 spectra) | 511 (98.5%) | 519 (100%) | 5 (1%) | 3 (0.6%) | 500 (96.3%) | 513 (99%) | 11 (2.2%) | 8 (1.4%) | 519 (100%) | 519 (100%) | 0 (0%) | 0 (0%) |
Total (729 spectra) | 720 (98.8%) | 729 (100%) | 5 (1%) | 4 (0.5%) | 709 (97.3%) | 723 (99.2%) | 11 (2.2%) | 9 (1.2%) | 729 (100%) | 729 (100%) | 0 (0%) | 0 (0%) |