Table 4. Confirmed Leishmania infection incidence, tissue parasite loads, and intervention effects in recruited dogs at follow-up.
| Intervention arm | qPCR1 positive/dogs tested (%) | parasite infection incidence IRR (95% C.I.s) |
geometric mean2 (95% C.I.) parasite load ml-1 | parasite load ml-1 IRR (95% C.I.s) |
|---|---|---|---|---|
| control | 48/231 (20.8) | referent | 18.6 (7.18–47.96) | referent |
| pheromone | 25/246 (10.2) | 0·485 (0·251, 0·938) P = 0.032 | 6.48 (0.85–49.35) | 0·469 (0·233, 0·946) P = 0.034 |
| collars | 44/298(14.8) | 0·775 (0·425, 1·141) P = 0.404 | 4.82 (1.72–13.54) | 0·524 (0·266, 1·03) P = 0.062 |
| Total | 117/775 (15.1) |
1 quantification of Leishmania kDNA in canine peripheral blood leukocytes per ml-1 by qPCR, standardised to the endogenous control.
2 GM calculated in 117 positive dogs with qPCR counts