Table 2 Association of clinical signs with hyperthyroidism (T4 > 60 nmol/L) in 507 cats 10 years and older presented to primary care veterinary practices in the greater Dublin area
From: Prevalence and risk factors for hyperthyroidism in Irish cats from the greater Dublin area
|  |  | All cats (n = 507) | Euthyroid cats (n = 346) | Hyperthyroid cats (n = 107) |  |  |  | |||
|---|---|---|---|---|---|---|---|---|---|---|
Variable | Â | na | % | na | % | na | % | OR | 95% CI | P |
Goitre (L, R or Both) | Yes | 112 | 23.1 | 61 | 18.5 | 40 | 39.0 | 2.85 | 1.75–4.62 | <0.0001 |
No | 373 | 76.9 | 269 | 81.5 | 62 | 60.8 | Â | Â | Â | |
Vomiting | Yes | 148 | 69.5 | 99 | 29.9 | 40 | 39.6 | 1.53 | 0.97–2.44 | 0.0696 |
No | 337 | 30.5 | 232 | 70.1 | 61 | 60.4 | Â | Â | Â | |
Diarrhoea | Yes | 54 | 11.3 | 31 | 9.0 | 15 | 15.0 | 1.68 | 0.86–3.25 | 0.1403 |
No | 424 | 88.7 | 295 | 85.3 | 85 | 85.0 | Â | Â | Â | |
Respiration rate | Normal | 377 | 74.4 | 267 | 77.2 | 70 | 70.7 | 1.72 | 1.04–2.88 | 0.0378 |
Increased | 106 | 20.9 | 64 | 18.5 | 29 | 27.1 | Â | Â | Â | |
Murmur | Yes | 124 | 26.1 | 79 | 24.2 | 31 | 32.3 | 1.49 | 0.91–2.45 | 0.1451 |
No | 351 | 73.9 | 247 | 75.8 | 65 | 67.7 | Â | Â | Â | |
Heart Rate | < 200 | 280 | 58.6 | 201 | 61.7 | 50 | 50.5 | – | – | – |
200–240 | 158 | 33.1 | 106 | 32.5 | 32 | 32.3 | – | – | – | |
> 240 | 40 | 8.4 | 19 | 5.8 | 17 | 17.2 | – | – | 0.001b | |
Polyphagia | Yes | 162 | 34.7 | 98 | 30.4 | 48 | 51.1 | 2.38 | 1.5–3.81 | 0.0003 |
No | 305 | 65.3 | 224 | 69.6 | 46 | 48.9 | Â | Â | Â | |
Weight loss | Yes | 328 | 68.0 | 208 | 63.2 | 87 | 85.3 | 3.37 | 1.86–6.09 | <0.0001 |
No | 154 | 32.0 | 121 | 36.8 | 15 | 14.7 | Â | Â | Â | |