Foot lesions and forelimb skin abrasions in suckling piglets: development and risk factors

Table 4 Logistic regression model for intrinsic and extrinsic variables related to forelimb skin abrasion in piglets at 5 days of age

Risk categories	Heel bruising				Univariable model			Multivariable model
	Score 0/1/2		Score 3/4/5		OR	95% CI		OR	95% CI
	n	%	n	%	OR	Lower bound	Upper bound	OR	Lower bound	Upper bound
Piglet's sex					p = 0.6232			p = 0.6742
Female	141	27.49	372	72.51	1	×	×	1	×	×
Male	148	29.42	355	70.58	0.923	0.671	1.270	0.933	0.647	1.291
Litter size					p = 0.1080			p = 0.1726
< 16	170	32.44	121	23,22	1	×	×	1	×	×
≥ 16	354	67.56	400	76.78	1.604	0.901	2.856	1.473	0.844	2.572
Floor					p = 0.0246			p = 0.0176
RML*	121	22.62	414	77.38	1	×	×	1	×	×
PSL*	170	33.33	340	66.67	0.0527	0.302	0.921	0.514	0.297	0.890
Body weight day 1 (kg)					p = 0.1711			p = 0.1861
≤ 1.20	114	35.85	204	64.15	1	×	×	1	×	×
1.21–1.50	82	26.45	228	73.55	1.253	0.822	1.907	1.427	0.917	2.221
≥ 1.51	89	29.18	216	70.82	0.820	0.516	1.304	1.016	0.619	1.669
Average daily gain until day 5 (kg)					p = 0.1101			p = 0.0742
≤ 0.110	78	26.35	218	73.65	1	×	×	1	×	×
0.111–0.0160	91	29.55	217	70.45	0.843	0.550	1.291	0.797	0.518	1.225
≥ 0.161	112	36.48	195	63.52	0.628	0.403	0.979	0.578	0.359	0.929

ISSN: 2055-5660