Table 2. Mean body mass (g) and confidence intervals for observed presence/absence of adult rat lungworms (Angiostrongylus cantonensis), third stage (L3) larvae, encysted adult worms, and granular lung lobes in wild rats (Rattus spp.) on east Hawai‘i Island.
All p-values reported are from comparisons of body mass between positive and negative individuals within each group using unpaired, two-tailed t-tests.
| Observed | R. exulans | R. rattus | ||||
|---|---|---|---|---|---|---|
| Positive | Negative | p-Value | Positive | Negative | p-Value | |
| Adult worms | 48.5 ± 1.8 | 42.1 ± 8.3 | > 0.05 | 79.1 ± 5.9 | 120.8 ± 6.7 | < 0.0001 |
| L3 larvae | 50.3 ± 4.5 | 46.5 ± 2.0 | > 0.05 | 107.1 ± 6.6 | 90.1 ± 8.4 | < 0.01 |
| Encysted worms | 60.0 ± 5.4 | 46.9 ± 1.8 | < 0.0001 | 114.6 ± 8.6 | 90.6 ± 5.8 | < 0.0001 |
| Granular lungs | 48.9 ± 2.1 | 47.3 ± 3.7 | > 0.05 | 68.1 ± 7.8 | 104.5 ± 6.4 | < 0.0001 |