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
| G1 | G2 | Total | |
|---|---|---|---|
| Completed the study | |||
| No. of cats | 78 | 74 | 152 |
| Median age in months (interquartile range) | 24 (10–48) | 18 (10–36) | 18 (10–36) |
| Sex n (%) female/male | 39/39 (50) | 42 (56.8)/32 (43.2) | 81 (52.29)/71 (46.71) |
| Excluded from the study | |||
| Number of cats | 26 | 26 | 52 |
| Infected with B. henselae at the inclusion | 2 | 5 | 7 |
| Infected with B. clarridgeiae at the inclusion | 5 | 1 | 6 |
| Deceaseda | 6 | 9 | 15 |
| Suspected adverse drug reaction | 1 | – | 1 |
| Lost to follow up | 12 | 11 | 23 |
aCar trauma (n = 4); suspected infectious disease (n = 3); respiratory failure (n = 1); aortic thromboembolism (n = 1)