Table 3.
Mean Legionella concentration in relation to ranges of temperature measured (I, II, III, and IV).
| Range of Temperature (°C) |
Number of Samples | Number of Positive Samples (%) |
Mean Legionella Concentration (Log cfu/L) |
95% Confidence Interval (CI) |
Range of Temperature Comparison | ANOVA Test p-Value (p) |
|
|---|---|---|---|---|---|---|---|
| I | <21 | 168 | 54 (32.1) |
1.78 | 1.65–1.91 | vs. II | 0.464 |
| vs. III | 0.002* | ||||||
| vs. IV | 1.000 | ||||||
| II | 21–45 | 157 | 59 (37.6) |
1.98 | 1.81–2.15 | vs. I | 0.464 |
| vs. III | 0.474 | ||||||
| vs. IV | 0.012 * | ||||||
| III | 45.1–49.6 | 172 | 81 (47.1) |
2.17 | 2.00–2.34 | vs. I | 0.002 * |
| vs. II | 0.474 | ||||||
| vs. IV | 0.001 * | ||||||
| IV | >49.6 | 172 | 40 (23.2) |
1.64 | 1.51–1.78 | vs. I | 1.000 |
| vs. II | 0.012 * | ||||||
| vs. III | 0.001 * | ||||||
* Values are statistically significant at p ≤ 0.05.