Table 2 Assessment of surface contamination by cultural technique (RODAC) and ATP-bioluminescence assay. Comparison between the operating rooms of Hospital A and Hospital B
TVC (CFU/plate) | ATP-bioluminescence assay (RLU/100 cm2) | |||||||
|---|---|---|---|---|---|---|---|---|
Total | Hospital A | Hospital B | P | Total | Hospital A | Hospital B | P | |
Geometric mean | 1.8 | 2.2 | 1.5 | 0.01 | 32.7 | 37.7 | 29.8 | 0.19 |
(CI 95%) | (1.6–2.0) | (1.7–2.8) | (1.3–1.8) | (27.5–38.9) | (29.6–48.1) | (23.5–37.9) | ||
Median | 0 | 1 | 0 | 29 | 32 | 29 | ||
(Range) | (0–41) | (0–41) | (0–16) | (4–510) | (8–356) | (4–510) | ||