Table 3.
Variable | Category | OR | 95% CI | P‐Value |
---|---|---|---|---|
Breed | Crossbred | Base | ||
Tonkinese | 4.1 | 1.8–9.6 | .001 | |
Norwegian Forest | 3.5 | 1.3–9.6 | .016 | |
Burmese | 3.0 | 2.0–4.4 | <.001 | |
Russian | 2.5 | 0.8–8.1 | .12 | |
Oriental | 1.8 | 0.4–7.3 | .43 | |
Rex | 1.2 | 0.2–8.5 | .88 | |
Siamese | 1.1 | 0.5–2.3 | .77 | |
Maine Coon | 0.9 | 0.4–2.1 | .74 | |
Birman | 0.8 | 0.3–2.6 | .73 | |
Persian | 0.5 | 0.2–1.4 | .20 | |
British Short Hair | 0.5 | 0.2–1.1 | .080 | |
Ragdoll | 0.4 | 0.1–2.2 | .31 | |
Bengal | 0.3 | 0.1–1.3 | .11 | |
Exotic | 0.8 | 0.1–13.7 | .91 | |
Other breed‐types | 0.6 | 0.3–1.1 | .11 | |
Bodyweight (kg) | <3.0 | Base | ||
3.0–3.9 | 1.4 | 0.8–2.3 | .19 | |
4.0–4.9 | 3.2 | 2.0–5.2 | <.001 | |
5.0–5.9 | 5.1 | 3.1–8.2 | <.001 | |
6.0–6.9 | 10.2 | 6.3–16.8 | <.001 | |
7.0–7.9 | 19.3 | 11.5–32.6 | <.001 | |
> or =8 | 20.0 | 11.0–36.3 | <.001 | |
No bodyweight available for >6 month of age | 0.0 | 0.0–0.1 | <.001 | |
Age (years)a | <3.0 | 0.4 | 0.2–1.0 | .060 |
3.0–5.9 | Base | |||
6.0 to <9.0 | 5.6 | 3.1–10.0 | <.001 | |
9.0 to <12.0 | 17.1 | 9.9–29.6 | <.001 | |
12.0 to <15.0 | 31.8 | 18.5–54.7 | <.001 | |
> or =15.0 | 39.1 | 22.5–67.9 | <.001 | |
No age available | 59093.7 | 29330.8–119058.1 | <.001 | |
Insurance status | Noninsured | Base | ||
Insured | 2.0 | 1.6–2.4 | <.001 | |
Unknown | 1.0 | 0.8–1.2 | .90 |
95% CI, confidence interval.
Incident cases: age at diagnosis, pre‐existing cases: no age included, noncases: age at mid‐point of clinical records.