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Table 5 Incidence density rate for leishmaniosis in collared (G1) and uncollared control (G2) dogs calculated for each follow-up in the study

From: Efficacy of a slow-release imidacloprid (10%)/flumethrin (4.5%) collar for the prevention of canine leishmaniosis

Study day Number of dogs in the cohort Number of new cases Dog-months of follow-up Incidence density rate/year
G1 G2 G1 G2 G1 G2 G1 G2
(Site S1/Site S2) (Site S1/Site S2) (Site S1/Site S2) (Site S1/Site S2) (Site S1/Site S2) (Site S1/Site S2) (Site S1/Site S2) (Site S1/Site S2)
Inclusion (D0) 102 (35/67) 117 (38/79) - - - - - -
I Follow-up (D90 ± 10) 102 (35/67) 117 (38/79) 0 (0/0) 15 (2/13) 299.9 (97.7/202.3) 341.6 (103.4/238.6) 0.0 (0.0/0.0) 52.7 (23.2/65.4)
II Follow-up (D180 ± 10) 91 (30/61) 100 (36/64) 2 (0/2) 2 (0/2) 273.9 (91.8/182.4) 308.0 (115.9/192.0) 8.8 (0.0/13.2) 7.8 (0.0/12.6)
III Follow-up (D210 ± 10) 86 (30/56) 95 (36/59) 0 (0/0) 25 (10/15) 81.7 (29.1/52.1) 89.30 (34.9/55.5) 0.0 (0.0/0.0) 336.0 (343.6/324.6)
IV Follow-up (D300 ± 10) 84 (30/54) 67 (26/41) 1 (0/1) 5 (3/2) 242.8 (87.0/155.5) 190.3 (75.4/115.2) 4.9 (0.0/7.7) 31.5 (47.8/20.8)
Total    3 47 (15/32) 898.3 (305.6/592.3) 929.2 (329.6/601.3) 4.0 (0.0/6.1) 60.7 (54.6/63.9)
  1. Site S1 = Messina shelter; Site S2 = Augusta shelter.