Table 1.
Numbers of CFU after 48 hours of incubation, before and after cleaning with a disinfectant wipe.
| N | Least squares means | 95% CI | Median | IQR | Mean CFU/cm2 | |
|---|---|---|---|---|---|---|
| AHP | ||||||
| Dirty | 30 | 14.40 | 6.67, 22.19 | 12.00 | 9, 21 | 28.57 |
| Clean | 30 | 1.31 | −5.72, 8.35 | 0.50 | 0, 2 | 2.60 |
| Alcohol | ||||||
| Dirty | 30 | 23.90 | 16.20, 31.72 | 14.50 | 8, 26 | 47.42 |
| Clean | 30 | 8.58 | 1.54, 15.62 | 1.00 | 0, 3 | 17.02 |
| QAC | ||||||
| Dirty | 30 | 19.99 | 12.24, 27.75 | 10.00 | 7, 26 | 39.66 |
| Clean | 30 | 3.18 | −3.86, 10.22 | 1.00 | 0, 4 | 6.31 |
| NT | ||||||
| Pre | 10 | 20.39 | 4.85, 35.93 | 15.5 | 10, 23 | 40.46 |
| Post | 10 | 6.51 | −7.58, 20.60 | 2.5 | 1, 9 | 12.92 |
AHP — accelerated hydrogen peroxygen; CFU — colony-forming unit; CI — confidence interval; IQR — interquartile range; NT — no treatment; QAC — quaternary ammonium compound.