Table 3 Differences among mean staphylococcal 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 | 0.2 ± 0.7 | 0.26 ± 1.8 | +30 | 0,93 | 0,3576 |
B | 2.5 ± 6.06 | 0.07 ± 0.2 | -96.8 | 1,77 | 0,0835 |
C | 2.1 ± 5.8 | 0.03 ± 0.1 | -98.5 | 1,61 | 0,1142 |