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Table 2 Non-cutaneous clinical signs of AFR in cats

From: Critically appraised topic on adverse food reactions of companion animals (6): prevalence of noncutaneous manifestations of adverse food reactions in dogs and cats

Clinical sign Number of animals (% of all reported non-cutaneous AFR) Strength of evidence
Diarrhoea [5, 7, 20, 21, 27,28,29,30,31, 51] 25–49a (28–55%) Strong in 11–16 [20, 21]
Moderate in 14–33 [5, 7, 27,28,29,30,31]
Weak in 1 [51]
Vomiting [4, 5, 7, 20, 21, 27,28,29, 31] 26–46a (29–52%) Strong in 15–20 [20, 21]
Moderate in 8–27 [4, 5, 7, 28, 29, 31, 51]
Conjunctivitis [4, 7, 46] 3–20a (3–22%) Strong in 1 [7]
Moderate in 1 [4]
Weak in 1–18 [46]
Salivating [46] 1–18 (1–20%) Weak
Respiratory signs [7] 4 (4%) Moderate
Flatulence [5] 3 (3%) Moderate
Hyperactive behaviour [6] 1 (1%) Strong
  1. a Minimal and maximal number of cats, as in some studies, the specific number of cats showing some of the individual clinical signs was not reported