Table 1.
Median RLU values (RLU/cm2) before and after daily cleaning during the two study periods and p-values determined using the Wilcoxon signed-rank test (N = 480).
| Surface | Before Intervention | After Intervention | ||||
|---|---|---|---|---|---|---|
| Pre-Clean (Range) | Post-Clean (Range) | p | Pre-Clean (Range) | Post-Clean (Range) | p | |
| bedside rails | 17.7 (3.9–144.7) | 4.4 (0.6–75.4) | 0.06 | 24.5 (7.2–298.1) | 3.3 (0.7–95.0) | 0.11 |
| bedside tables | 1.9 (0.2–22.6) | 0.3 (0.1–3.7) | 0.02 | 1.8 (0.6–7.7) | 0.3 (0.2–1.0) | 0.00 |
| chairs | 10.2 (1.6–259.8) | 9.1 (0.2–19.6) | 0.04 | 6.0 (1.2–59.1) | 5.3 (0.3–287.4) | 0.53 |
| doorknobs | 325.2 (31.3–33130) | 41.1 (8.0–10698.2) | 0.53 | 36.1 (11.8–1202.9) | 12.1 (2.5–160.4) | 0.01 |
| drawer handles | 49.6 (15.2–260.1) | 17.7 (2.4–102.7) | 0.05 | 16.5 (8.5–90.3) | 5.2 (2.2–789.6) | 0.05 |
| emergency buttons | 15.9 (3.4–200.1) | 14.2 (2.2–50.2) | 0.14 | 13.7 (2.6–116.5) | 4.8 (0.8–21.7) | 0.03 |
| light switches | 10.7 (2.4–207.3) | 5.0 (3.4–16.6) | 0.02 | 5.0 (1.6–114.2) | 2.4 (0.4–149.7) | 0.09 |
| hand sanitizer pump | 0.8 (0.3–6.9) | 0.9 (0.3–7.0) | 0.86 | 0.7 (0.3–9.8) | 0.1 (0–2.2) | 0.26 |
| toilet flush handles | 205.0 (9.0–1049.7) | 75.2 (27.2–1532.6) | 0.21 | 23.6 (8.5–249.7) | 10.8 (2.9–1134.0) | 0.29 |
| toilet safety rails | 8.5 (0.6–65.4) | 5.3 (0.5–17.7) | 0.09 | 1.5 (0.4–162.3) | 5.3 (0.2–114.6) | 0.93 |
| wardrobe handles | 288.6 (16.0–992.0) | 80.0 (15.4–2564.0) | 0.21 | 205.5 (4.6–1920.3) | 164.6 (012.6–2019.7) | 0.86 |