Risk categories | Alive | Dead | Univariable model | Multivariable model | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
n | % | n | % | OR | 95%-CI | p | OR | 95%-CI | pb | |||
Low | Up | Low | Up | |||||||||
Total | 372 | 71.68 | 147 | 28.32 | x | x | x | x | x | x | x | x |
Herd/group (p = 0.0033) a | ||||||||||||
11(ref) | 26 | 56.52 | 20 | 43.48 | 1 | x | x | x | 1 | x | x | x |
12 | 27 | 65.85 | 14 | 34.15 | 0.674 | 0.282 | 1.609 | 0.3741 | 0.229 | 0.053 | 0.984 | 0.4722 |
13 | 19 | 51.35 | 18 | 48.65 | 1.232 | 0.516 | 2.937 | 0.6386 | 0.618 | 0.145 | 2.636 | 0.2897 |
21 | 33 | 73.33 | 12 | 26.67 | 0.473 | 0.196 | 1.141 | 0.0956 | 0.281 | 0.074 | 1.071 | 0.7145 |
22 | 25 | 60.98 | 16 | 39.02 | 0.832 | 0.353 | 1.959 | 0.6738 | 0.845 | 0.239 | 2.989 | 0.0373 |
23 | 38 | 74.51 | 13 | 25.49 | 0.445 | 0.189 | 1.049 | 0.0643 | 0.326 | 0.086 | 1.232 | 0.9287 |
31 | 26 | 83.87 | 5 | 16.13 | 0.250 | 0.082 | 0.767 | 0.0153 | 0.083 | 0.014 | 0.479 | 0.0451 |
32 | 35 | 87.50 | 5 | 12.50 | 0.186 | 0.062 | 0.560 | 0.0028 | 0.212 | 0.048 | 0.933 | 0.4034 |
33 | 38 | 95.00 | 2 | 5.00 | 0.068 | 0.015 | 0.318 | 0.0006 | 0.102 | 0.017 | 0.627 | 0.1074 |
41 | 43 | 82.69 | 9 | 17.31 | 0.272 | 0.108 | 0.686 | 0.0058 | 0.195 | 0.055 | 0.687 | 0.2282 |
42 | 28 | 66.67 | 14 | 33.33 | 0.650 | 0.273 | 1.547 | 0.3301 | 1.523 | 0.430 | 5.394 | 0.0005 |
43 | 34 | 64.15 | 19 | 35.85 | 0.726 | 0.323 | 1.632 | 0.4390 | 0.401 | 0.117 | 1.369 | 0.6833 |
Body weight (p = 0.0418) a | ||||||||||||
≤ 0.86 kg | 69 | 41.07 | 99 | 58.93 | 23.475 | 11.870 | 46.424 | < .0001 | 3.715 | 1.103 | 12.507 | 0.1221 |
0.86–1 kg | 123 | 76.88 | 37 | 23.13 | 4.922 | 2.417 | 10.023 | < .0001 | 2.973 | 1.238 | 7.140 | 0.1885 |
> 1 kg (ref) | 180 | 94.24 | 11 | 5.76 | 1 | x | x | x | 1 | x | x | x |
Vitality score (p ≤ .0001) a | ||||||||||||
0 (ref) | 296 | 90.80 | 30 | 9.20 | 1 | x | x | x | 1 | x | x | x |
1 | 74 | 54.41 | 62 | 45.59 | 8.265 | 4.989 | 13.694 | < .0001 | 3.325 | 1.589 | 6.958 | 0.0710 |
2 | 2 | 3.51 | 55 | 96.49 | 271.333 | 63.013 | 1168.351 | < .0001 | 61.358 | 10.609 | 354.867 | < .0001 |
Intrauterine growth retardation score (p = 0.1765) a | ||||||||||||
0 (ref) | 274 | 88.10 | 37 | 11.90 | 1 | x | x | x | 1 | x | x | x |
1 | 86 | 63.24 | 50 | 36.76 | 4.305 | 2.640 | 7.022 | < .0001 | 1.582 | 0.656 | 3.814 | 0.6534 |
2 | 12 | 16.67 | 60 | 83.33 | 37.027 | 18.231 | 75.201 | < .0001 | 3.412 | 0.929 | 12.538 | 0.0678 |
Rectal temperature (p = 0.0003) a | ||||||||||||
≤ 37.5 °C | 48 | 32.21 | 101 | 67.79 | 14.818 | 9.336 | 23.519 | < .0001 | 3.372 | 1.745 | 6.517 | 0.0003 |
> 37.5 °C (ref) | 324 | 87.57 | 46 | 12.43 | 1 | x | x | x | 1 | x | x | x |
Sex (p = 0.0680)a | ||||||||||||
Female (ref) | 187 | 73.91 | 66 | 26.09 | 1 | x | x | x | 1 | x | x | |
Male | 185 | 69.55 | 81 | 30.45 | 1.241 | 0.846 | 1.820 | 0.2704 | 1.712 | 0.961 | 3.049 | 0.0680 |