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Table 1 Differences among mean microbial counts registered for air samples before (T1) and after (T2) sanitization with BATT2 (n. of samples: 10 for each mean value).

From: Automated cleaning of fan coil units with a natural detergent-disinfectant product

Room Mean value T1± D.S. (CFU/m3) Mean value T2± D.S. (CFU/m3) Variation (%) Student's t p
A - TMC 37°C 25,7 ± 19,4 6,9 ± 8,4 -73.2 2,80 0,0116
B - TMC 37°C 15,7 ± 10,5 7,5 ± 7,5 -52.2 2,010 0,0596
C - TMC 37°C 13,3 ± 12,4 4,1 ± 3,7 -69.2 2,25 0,0369
A - TMC 22°C 124,3 ± 91,4 25,1 ± 13,9 -79.8 3,39 0,0032
B - TMC 22°C 78,7 ± 67,7 26,9 ± 27,6 -65.8 2,24 0,0379
C - TMC 22°C 46,3 ± 38,3 17,6 ± 12,5 -62 2,25 0,0369