Table 2.
Univariable associations between cat demographics and mortality by day 5 after presentation to the Animal Emergency Service for cats with tick paralysis
| Variable and categories | All cases |
Analysis of death by day 5 |
||||
|---|---|---|---|---|---|---|
| % (n) | No. of cases receiving recommended treatment | % (n) died by day 5 | OR | 95% CI | P value* | |
| Clinic | 0.183 | |||||
| Gold Coast | 33 (693) | 473 | 2.3 (11) | Ref. group | ||
| Noosa | 2 (44) | 29 | 6.9 (2) | 3.1 | 0.7–14.7 | 0.153 |
| Sunshine Coast | 13 (276) | 179 | 0.6 (1) | 0.2 | 0.0–1.8 | 0.168 |
| Underwood | 51 (1064) | 729 | 1.9 (14) | 0.8 | 0.4–1.8 | 0.631 |
| Total | 100 (2077) | 1410 | 2.0 (28) | |||
| Sex | 0.273 | |||||
| Female entire | 5 (105) | 52 | 1.9 (1) | Ref. group | ||
| Female neutered | 39 (805) | 553 | 1.3 (7) | 0.7 | 0.1–5.4 | 0.694 |
| Male entire | 10 (210) | 127 | 3.9 (5) | 2.1 | 0.2–18.3 | 0.506 |
| Male neutered | 46 (949) | 674 | 2.2 (15) | 1.2 | 0.2–9.0 | 0.886 |
| Not recorded | (8) | 4 | 0.0 (0) | |||
| Total | 100 (2077) | 1410 | 2.0 (28) | |||
| Breed † | 0.501 | |||||
| DNSH | 15 (304) | 197 | 1.0 (2) | Ref. group | ||
| DSH | 59 (1223) | 812 | 2.0 (16) | 2.0 | 0.4–8.6 | 0.372 |
| PNSH | 11 (235) | 175 | 2.3 (4) | 2.3 | 0.4–12.6 | 0.345 |
| PNSHX | 5 (95) | 62 | 4.8 (3) | 5.0 | 0.8–30.4 | 0.084 |
| PSH | 9 (189) | 143 | 2.1 (3) | }1.8 | 0.3–11.1 | 0.512 |
| PSHX | 1 (29) | 20 | 0.0 (0) | |||
| Not recorded | (2) | 1 | 0.0 (0) | |||
| Total | 100 (2077) | 1410 | 2.0 (28) | |||
| Brachycephalic | 0.219 | |||||
| No | 95 (1972) | 1333 | 1.9 (25) | Ref. group | ||
| Yes | 5 (103) | 76 | 3.9 (3) | 2.2 | 0.6–7.3 | 0.219 |
| Not recorded | (2) | 1 | 0.0 (0) | |||
| Total | 100 (2077) | 1410 | 2.0 (28) | |||
| Age (months) † | 0.241 | |||||
| <12 | 8 (169) | 108 | 5.6 (6) | Ref. group | ||
| 12–23 | 15 (299) | 195 | 1.5 (3) | }0.3 | 0.1–0.9 | 0.036 |
| 24–35 | 13 (262) | 162 | 1.9 (3) | |||
| 36–47 | 10 (199) | 141 | 2.8 (4) | }0.4 | 0.1–1.3 | 0.125 |
| 48–59 | 7 (138) | 83 | 1.2 (1) | |||
| 60–71 | 7 (136) | 100 | 2.0 (2) | }0.4 | 0.1–1.3 | 0.122 |
| 72–83 | 6 (124) | 92 | 2.2 (2) | |||
| 84–95 | 6 (111) | 80 | 1.3 (1) | }0.1 | 0.0–0.9 | 0.037 |
| 96–107 | 6 (121) | 86 | 0.0 (0) | |||
| 108–119 | 4 (71) | 53 | 1.9 (1) | }0.5 | 0.1–2.0 | 0.304 |
| 120–131 | 4 (78) | 57 | 3.5 (2) | |||
| 132–143 | 3 (66) | 55 | 0.0 (0) | }0.2 | 0.1–1.0 | 0.053 |
| ⩾144 | 11 (216) | 152 | 2.0 (3) | |||
| Not recorded | (87) | 46 | 0.0 (0) | |||
| Total | 100 (2077) | 1410 | 2.0 (28) | |||
| Coat length | 0.877 | |||||
| Not short (medium and long) | 31 (634) | 434 | 2.1 (9) | Ref. group | ||
| Short | 69 (1441) | 975 | 1.9 (19) | 0.9 | 0.4–2.1 | 0.877 |
| Not recorded | (2) | 1 | 0.0 (0) | |||
| Total | 100 (2077) | 1410 | 2.0 (28) | |||
| Body weight (kg) | 0.572 | |||||
| 1.5–<4.0 | 25 (199) | 148 | 1.4 (2) | Ref. group | ||
| 4.0–<5.0 | 36 (291) | 223 | 1.3 (3) | 1.0 | 0.2–6.1 | 0.996 |
| 5.0–<6.0 | 23 (189) | 152 | 0.7 (1) | 0.5 | 0.0–5.4 | 0.554 |
| ⩾6.0 | 16 (133) | 104 | 2.9 (3) | 2.2 | 0.4–13.4 | 0.401 |
| Not recorded | (1265) | 783 | 2.4 (19) | |||
| Total | 100 (2077) | 1410 | 2.0 (28) | |||
*
Values in bold are likelihood ratio test overall P values for the variable; values not in bold are Wald P values for the particular category relative to the reference group (Ref. group)
†
Some adjoining categories were pooled for analyses as indicated by odds ratio (OR) positions
CI = confidence interval; DNSH = domestic not-shorthair; domestic mediumhair and domestic longhair; DSH = domestic shorthair; PNSH = purebred not-shorthair; PNSHX = purebred not-shorthair cross; PSH = purebred shorthair; PSHX = purebred shorthair cross