Table 3.
Streptococcus pneumoniae serotypes 3, 19A and 19F 4 h vs. 24 h adherence.
| Strain | Serotype | Colony description | Crystal violet assay (4 h/24 h) | CFU adherence assay (4 h/24 h) |
|---|---|---|---|---|
| WU2 | 3 | Mucoid | 0.13/0.22 | 1.2/18.8** |
| JD908 | 3 | Non-mucoid | 0.61/0.95 | 68.9/47.9 |
| CHB 875 | 3 | Mucoid | 0.12/0.26 | 0.5/4.9 |
| CHB 455 | 3 | Mucoid | 0.09/0.28* | 1.2/4.9* |
| CHB 179 | 3 | Mucoid | 0.06/0.25** | 1.3/7.6* |
| CHB 1126 | 3 | Mucoid/Non-mucoid | 0.32/0.53* | 1.3/20.9** |
| CHB 620 | 3 | Mucoid | 0.15/0.4* | 0.3/6.3* |
| CHB 756 | 3 | Mucoid | 0.14/0.18 | 0.1/7.6*** |
| CHB 803 | 3 | Mucoid | 0.1/0.44*** | 0.4/10.2* |
| CHB 1058 | 19A | Non-mucoid | 0.17/0.73** | 15.1/15.6 |
| CHB 692 | 19A | Non-mucoid | 0.57/1.31* | 12.7/35.4* |
| CHB 607 | 19A | Non-mucoid | 0.5/0.92* | 30/28.4 |
| CHB 477 | 19F | Non-mucoid | 0.52/4.16 | 10.8/22.1 |
| CHB 399 | 19F | Non-mucoid | 0.48/0.73 | 21/31.9 |
| CHB 240 | 19F | Non-mucoid | 0.62/0.53 | 25/23.3 |
aThe calculations in this table are based on the results shown in figures 2 and 3. Statistical significance between 4 hr and 24 hr results are indicated by *, ≤0.05; **, ≤0.01; and ***, ≤0.001. Where no statistical significance is indicated, the 4- and 24-hour data are not statistically different.