Table 2.
Median ACC values (CFU/cm2) before and after daily cleaning during the two study periods and p-values determined using the Wilcoxon signed-rank test (N = 960).
| Surface | Before Intervention | After Intervention | ||||
|---|---|---|---|---|---|---|
| Pre-Clean (Range) | Post-Clean (Range) | p | Pre-Clean (Range) | Post-Clean (Range) | p | |
| bedside rails | 15.0 (0.4–587.9) | 0.7 (0.0–19.3) | 0.00 | 15.9 (0.0–107.5) | 3.9 (0.2–3434.2) | 0.09 |
| bedside tables | 1.7 (0.0–88.3) | 0.1 (0.0–7.1) | 0.00 | 6.2 (0.0–248.1) | 0.2 (0.0–2.3) | 0.00 |
| chairs | 34.7 (1.8–330.0) | 0.6 (0.0–49.4) | 0.00 | 3.8 (0.0–450.0) | 0.9 (0.0–179.4) | 0.08 |
| doorknobs | 50.9 (0.0–1198.2) | 14.3 (0.0–141.1) | 0.04 | 28.6 (0.0–23026.8) | 1.8 (0.0–312.5) | 0.00 |
| drawer handles | 28.4 (0.0–958.2) | 1.2 (0.0–2274.0) | 0.43 | 15.8 (0.0–3486.6) | 0.9 (0.0–23.9) | 0.00 |
| emergency buttons | 14.6 (0.0–1761.0) | 4.4 (0.0–58.5) | 0.12 | 2.4 (0.0–37.1) | 0.0 (0.0–13268.3) | 0.09 |
| light switches | 10.0 (0.0–34.1) | 2.9 (0.0–55.2) | 0.02 | 4.9 (0.0–259.5) | 0.8 (0.0–78.6) | 0.18 |
| hand sanitizer pump | 0.8 (0.0–6.7) | 0.3 (0.0–29.3) | 0.46 | 0.5 (0.0–41.6) | 0.0 (0.0–17.0) | 0.04 |
| toilet flush handles | 51.9 (0.0–690.7) | 23.9 (0.0–561.4) | 0.09 | 2.1 (0.0–17381.1) | 2.8 (0.0–13.2.2) | 0.07 |
| toilet safety rails | 3.8 (0.0–17.9) | 0.8 (0.0–112.7) | 0.60 | 12.8 (0.0–1187.2) | 5.9 (0.0–4738.2) | 0.59 |
| wardrobe handles | 32.3 (0.0–584.6) | 9.2 (0.0–3750.8) | 0.15 | 18.5 (0.0–2200.0) | 9.2 (0.0–2935.4) | 0.81 |