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Table 1 Number and characteristics of cats treated with the Seresto® collar (G1) and untreated controls (G2) that either completed or were excluded from the study

From: Prevention of feline leishmaniosis with an imidacloprid 10%/flumethrin 4.5% polymer matrix collar

  G1 G2 Total
Completed the study
 Number of cats 79 80 159
 Number of households 41 39 80
 Age (months) Mean (Min - Max) 38.3 (6–180) 29.3 (7–144) 33.7 (6–180)
 Gender (%) Female/Male 53.2/46.8 55.0/45.0 54.1/45.9
 Weight (kg) Mean (Min - Max) 4.3 (1.9–7.8) 3.9 (2.1–7.0) 4.09 (1.9–7.8)
 Hair length (%) Short/Long 81.0/19.0 78.8/21.2 79.9/20.1
 Environment (%) Rural/Suburban/Urban 48.1/48.1/3.8 56.2/38.8/5.0 52.2/43.4/4.4
Excluded from the study G1 G2 Total
 Number of cats 25 20 45
 Deceaseda 6 3 9
 Suspected adverse drug reaction 1 1
 Infected by L. infantum at the inclusion 8 10 18
 Lost to follow up 8 7 15
 Collar lost and not replaced promptly 2 2
  1. aCar trauma (n = 4), suspected infectious disease (n = 3), respiratory failure (n = 1), aortic thromboembolism (n = 1)