Table 2 Differences among mean microbial counts registered for fan coil units surfaces before (T1) and after (T2) sanitization with BATT2 (n. of samples: 20 for each mean value).
From: Automated cleaning of fan coil units with a natural detergent-disinfectant product
Room | Mean value T1± D.S. (CFU/25 cm2) | Mean value T2± D.S. (CFU/25 cm2) | Variation (%) | Student's t | p |
|---|---|---|---|---|---|
A | 0.485 ± 0.972 | 0.364 ± 1.00 | -25 | 0,273 | 0,7874 |
B | 3.076 ± 7.799 | 0.28 ± 0.04 | -91.1 | 1.605 | 0,1167 |
C | 2.6 ± 7.87 | 0.56 ± 0.094 | -78.5 | 0.818 | 0,4183 |