Table 7. Difference in time to result between conventional culture-based method and the Verigene Test.
| Δ Time to Result a | ||||||
|---|---|---|---|---|---|---|
| Organisms | No. of Isolates b | Average Time to identification by Culture-Based Method (h) | Average Time to Result by Verigene Test (h) | Average (h) | Range (h) | p-value |
| Staphylococcus spp. | 23 | 63.76 | 2.35 | 61.41 | 22.65–494.65 | p<0.001 |
| MSSA | 7 | 49 | 2.35 | 46.65 | 22.65–79.65 | p = 0.012 |
| MRSA | 10 | 93.45 | 2.35 | 91.1 | 23.65–494.65 | p<0.001 |
| CNS | 8 | 57.19 | 2.35 | 54.84 | 29.65–97.65 | p<0.001 |
| Streptococcus spp. | 13 | 63.86 | 2.35 | 61.51 | 22.65–128.15 | p<0.001 |
| S. pneumoniae | 3 | 42.83 | 2.35 | 40.48 | 22.65–56.65 | p = 0.017 |
| β-haemolytic Strept. | 4 | 71.62 | 2.35 | 69.27 | 33.65–128.15 | p<0.001 |
| Viridians Group | 6 | 55.08 | 2.35 | 52.73 | 25.65–83.65 | p<0.001 |
| Enterococcus spp. | 2 | 78.5 | 2.35 | 76.15 | 53.15–99.15 | p<0.001 |
| VSE | 1 | 55.5 | 2.35 | 53.15 | n/a | n/a |
| VRE | 1 | 101.5 | 2.35 | 99.15 | n/a | n/a |
| Enterobacteriaceae | 79 | 45.98 | 1.88 | 44.1 | 18.12–104.12 | P<0.001 |
| P. aeruoginosa | 7 | 52.51 | 1.88 | 50.63 | 28.62–94.62 | p<0.001 |
| Acinetobacter spp. | 1 | 76 | 1.88 | 74.12 | n/a | n/a |
a Difference in time between BC-GP or BC-GN result and final culture-based identification and drug susceptibility test results
b Only the isolates with concordant results from cultured-based method and the Verigene test were included for the time to result assessment.