Table 3. Frequency of identification of microorganisms in the cultures of samples collected from the various parts of the nebulizers before and after the standardized instruction had been given (n = 40).
| Microorganism | Before the instruction | After the instruction | ||
|---|---|---|---|---|
| Mouthpiece | Cup | Mouthpiece | Cup | |
| Non-fermenting gram-negative bacilli | 2 | 8 | 1 | 3 |
| Coagulase-negative Staphylococcus sp. | 6 | 2 | 3 | 2 |
| Acinetobacter sp. | 2 | 3 | 3 | 2 |
| Yeasts | 8 | 4 | 0 | 0 |
| Pseudomonas putida | 1 | 6 | 0 | 0 |
| Enterobacter spp. | 1 | 3 | 0 | 1 |
| Enterobacteria spp. | 2 | 3 | 0 | 0 |
| Klebsiella sp. | 0 | 2 | 1 | 1 |
| Stenotrophomonas maltophilia | 1 | 1 | 0 | 1 |
| Gram-positive bacilli | 1 | 2 | 0 | 0 |
| Burkolderia cepacia complex | 1 | 1 | 0 | 1 |
| P. fluorescens | 1 | 2 | 0 | 0 |
| P. aeruginosa | 1 | 2 | 0 | 0 |
| Escherichia coli | 0 | 1 | 1 | 0 |
| S. aureus | 1 | 0 | 1 | 0 |
| Achromobacter xylosoxidans | 0 | 1 | 0 | 0 |