Table 1.
Comparison of an alcohol-only handrub (product A) versus a chlorhexidine-alcohol combination handrub (product B) for surgical hand preparation in a modified test arrangement according to EN 12791 (2016)
| Immediate effects | 6-h effects | |||||||
|---|---|---|---|---|---|---|---|---|
| Application time | Application volume | Prevalues(log10 ± SD) | Mean RF(log10 ± SD) | p valuea | Prevalues(log10 ± SD) | Mean RF(log10 ± SD) | p valuea | |
| Product A (alcohol only) |
90 s | 3 × 3 ml | 4.68 ± 0.5 | 1.96 ± 1.06 | ≤0.025 | 4.79 ± 0.51 | 1.67 ± 0.71 | ≤0.01 |
| Product B (CHG-alcohol) |
180 s | 3 × 3 ml | 4.79 ± 0.52 | 1.42 ± 0.79 | 4.73 ± 0.50 | 1.24 ± 0.90 | ||
RF reduction factor, SD standard deviation, CHG chlorhexidine
aCalculated using the Wilcoxon matched-pairs signed-ranks test