Table 1. The number of air samples collected, the number of air samples that grew A. fumigatus, and the number of samples that grew azole-resistant A. fumigatus (ARAf) across the four air sampling rounds.
| Sampling round | Number of air samples collected | Number of air samples that grew A. fumigatus (% of samples) | Number of A. fumigatus isolates grown from air samples | Average number of A. fumigatus isolates grown per air sample | Number of air samples that grew ARAf (% of samples) | Number of ARAf isolates (% of A. fumigatus) |
|---|---|---|---|---|---|---|
| Summer | 712 | 408 (57) | 1152 | 2.8 | 30 (4) | 42 (4) |
| Autumn | 398 | 190 (48) | 429 | 2.3 | 14 (4) | 26 (6) |
| Winter | 320 | 152 (48) | 477 | 3.1 | 12 (4) | 15 (3) |
| Spring | 464 | 169 (36) | 308 | 1.8 | 17 (4) | 28 (9) |
| Total: | 1894 | 919 (49) | 2366 | 2.6 | 73 (4) | 111 (5) |