Table 2 Descriptive values for Escherichia coli (E. coli), faecal coliforms and methicillin resistant Staphylococcus aureus (MRSA) enumerations (log colony forming units/sampling area) and detection after cleaning (CE units) and disinfection (control units) for each type of sampling location. Detection method was carried out after an overnight enrichment of samples
Location | Enterococcus spp. | E.coli | Faecal coliforms | MRSA | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
CS (%)f | Enumerations | CS (%) | Enumerations | D (%)g | CS (%) | Enumerations | D (%) | CS (%) | Enumerations | D (%) | |
CE units | |||||||||||
 1a | 100 | 5.0 ± 0.8 | 59 | 0.0–1.6–3.0 | 85 | 67 | 0.0–3.2–3.7 | 96 | 44 | 0.0–0.0–1.9 | 81 |
 2b | 100 | 4.8 ± 1.0 | 67 | 0.0–1.6–4.1 | 78 | 90 | 2.6–3.9–4.9 | 92 | 22 | 0.0–0.0–0.0 | 74 |
 3c | 100 | 4.4 ± 0.9 | 4 | 0.0–0.0–0.0 | 48 | 19 | 0.0–0.0–0.0 | 50 | 11 | 0.0–0.0–0.0 | 56 |
 4d | 100 | 4.9 ± 0.4 | 41 | 0.0–0.0–3.0 | 85 | 52 | 0.0–2.5–3.7 | 96 | 19 | 0.0–0.0–0.0 | 63 |
 5e | 96 | 4.4 ± 1.3 | 41 | 0.0–0.0–2.2 | 59 | 62 | 0.0–2.5–3.6 | 83 | 7 | 0.0–0.0–0.0 | 44 |
Control units | |||||||||||
 1 | 70 | 2.1 ± 1.6 | 11 | 0.0–0.0–0.0 | 26 | 33 | 0.0–0.0–2.5 | 58 | 0 | 0.0–0.0–0.0 | 26 |
 2 | 48 | 0.0–0.0–3.0 | 0 | 0.0–0.0–0.0 | 4 | 10 | 0.0–0.0–0.0 | 46 | 0 | 0.0–0.0–0.0 | 19 |
 3 | 33 | 0.0–0.0–1.7 | 0 | 0.0–0.0–0.0 | 7 | 5 | 0.0–0.0–0.0 | 17 | 4 | 0.0–0.0–0.0 | 19 |
 4 | 89 | 3.3 ± 1.5 | 19 | 0.0–0.0–0.0 | 30 | 43 | 0.0–0.0–3.2 | 67 | 4 | 0.0–0.0–0.0 | 37 |
 5 | 48 | 0.0–0.0–2.9 | 4 | 0.0–0.0–0.0 | 30 | 29 | 0.0–0.0–2.8 | 42 | 4 | 0.0–0.0–0.0 | 15 |