TABLE 3.

Results of the cox proportional hazards model evaluating the association between clinicopathological variables on admission and survival of 84 sick, hospitalized calves

Variables		Haz. ratio	SE	P	95% CI
Suckling reflex	Strong
	Weak	4.09	3.17	.07	0.89‐18.71
	Absent	6.44	4.93	.02	1.44‐28.86
Heart rate	Normal
	<100 bpm	12.2	9.77	.002	2.54‐58.62
	>140 bpm	3.59	2.26	.04	1.05‐12.33
Neutrophil count	Normal
	<1.7 × 109/L	7.36	4.83	.002	2.03‐26.66
	>6 × 109/L	0.38	0.31	.24	0.08‐1.89
GGT	Every 50‐unit increase	1.12	0.00	.008	1.03‐1.21

Abbreviations: bpm, beats per minute; CI, confidence interval; GGT, gamma‐glutamyl transferase; haz. ratio, hazard ratio.