TABLE 4.
Summary of vegetative fitness comparisons between clinical and environmental samples ofC. neoformans at two different temperatures, 25° and 37°
| Testing environment
|
|||
|---|---|---|---|
| Population sample | No. of strains | T25/YEPD | T37/YEPD |
| Environmental | 45 | 0.251 ± 0.091 | 0.516 ± 0.181 |
| Clinical | 35 | 0.192 ± 0.057 | 0.637 ± 0.096 |
| Two-way ANOVA table | |||
| Source of variation | d.f. | Mean square | F |
| A: Sample source (clinical vs. environmental) | 1 | 0.0003 | 0.0205NS |
| B: Incubation temperature (25° vs. 37°) | 1 | 1.1662 | 79.877*** |
| C: A × B Interaction | 1 | 4.1382 | 284.02*** |
| D: Within subgroup (error term) | 156 | 0.0146 | |
Data are presented as mean ± standard deviation of colony sizes in millimeters. ***P < 0.001; NS, not significant.