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Table 4 Number and percentages of flea infested cats from treated (G1) or untreated (G2) groups, at the enrolment (D0), during treatment (D210) and at the end of experiment (D360) with Seresto® collar

From: Effectiveness of a 10% imidacloprid/4.5% flumethrin polymer matrix collar in reducing the risk of Bartonella spp. infection in privately owned cats

Study day (D) D0 D210 D360
Group G1 (n = 78) G2 (n = 74) G1 (n = 78) G2 (n = 74) G1 (n = 78) G2 (n = 74)
Flea infestation, n (%) 19 (24.35) 20 (27.02) 4 (5.1)a 24 (32.4)a 0b 33 (44.59)b
  1. Significant differences are marked with equal letters
  2. aχ2 = 18.839, df = 1, P < 0.0001
  3. bχ2 = 44.430, df =1, P < 0.0001