Table 3. Phenotype homogeneity among single colony picks from oropharyngeal swabs taken from pediatric patients with pharyngitis.
No. of colony picks per patient | No. of patients yielding 100% SpeB-producer colony picks* | No. of patients yielding 100% SpeB-non-producer colony picks* | No. of patients yielding a mixture of SpeB- producer and non-producer colony picks |
---|---|---|---|
2 to 10 | 7 | 1 | 0 |
11 to 24 | 21 | 6 | 0 |
≥ 25 | 24 | 9 | 0 |
* Columbia-SM agar assay