Table 4.
Median, quartiles and p-value of differences among disinfectants affecting surfaces (CFU/25 cm2), level of statistical significance p < 0.05.
|
PAA/HPO
Me (Q1–Q3) |
DDAC/PHMB
Me (Q1–Q3) |
DDAC/CA
Me (Q1–Q3) |
post hoc | |||
|---|---|---|---|---|---|---|
| p -value | ||||||
| 1-2 | 2-3 | 1-3 | ||||
| Dashboard bacteria | 22 (16–43) | 3 (−3 to 7) | 18.5 (9–28) | 0.0026 | 0.0171 | 1 |
| Dashboard fungi | 16 (4–52) | 3 (0–4) | 7.5 (1–20) | 0.031 | 0.7234 | 0.6016 |
| Seats bacteria | 45 (27–56) | 2 (−6 to 11) | 8 (3–27) | 0.0001 | 0.8928 | 0.0118 |
| Seats fungi | 7 (0–8) | 1 (0–2) | 0 (−2 to 5) | 0.4849 | 1 | 0.314 |
| Doors bacteria | 41 (26–47) | 6 (−3 to 18) | 16,5 (4–31) | 0.0005 | 0.5705 | 0.0686 |
| Doors fungi | 22 (7–33) | 1 (1–2) | 3 (2–25) | 0.0001 | 0.2623 | 0.073 |
| Floors bacteria | 50 (25–76) | 4 (−10 to 9) | 29 (18–41) | 0.0001 | 0.0091 | 1 |
| Floors fungi | 36 (9–47) | 0 (−2to 6) | 6 (2–31) | 0.0017 | 0.2319 | 0.3843 |
Me, median; Q1, first quartile; Q3, third quartile; PAA/HPO, peracetic acid stabilized by hydrogen peroxide; DDAC/PHMB, didecyldimethylammonium chloride, polyheksametylene biguanide, and aromatic composition; DDAC/CA, didecyldimethylammonium chloride, 2-phenoxyethanol, and cinnamaldehyde.