Numbers of plates contaminated over three days of incubation on modified CDA (43°C) and AAV medium (37°C) (150 stool samples)
| Day 1 | Day 2 | Day 3 | ||||
|---|---|---|---|---|---|---|
| Modified CDA | AAV | Modified CDA | AAV | Modified CDA | AAV | |
| AAV, aztreonam amphotericin vancomycin; TL, thin layer; ±, very scanty growth; +, scanty growth; ++, moderate growth; +++, heavy growth. | ||||||
| ± | – | – | 1 | 7 | 2 | 4 |
| + | 4 | 5 | 6 | 9 | 3 | 8 |
| ++ | 10 | 3 | 2 | 2 | 4 | – |
| +++ | 7 | – | 1 | – | – | 3 |
| TL | – | – | – | 10 | 1 | 6 |
| Total | 21 (14%) | 8 (5%) | 10 (7%) | 28 (19%) | 10 (7%) | 21 (14%) |