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

Table 3 Logistic regression model for intrinsic and extrinsic variables related to main claw coronary band lesions 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 = 0.1409			p = 0.1143
Female	279	54.39	234	45.61	1	×	×	1	×	×
Male	241	47.91	262	52.09	1.263	0.926	1.722	1.290	0.940	1.770
Litter size					p = 0.0179			p = 0.0107
< 16	303	57.82	221	42.18	1	×	×	1	×	×
≥ 16	228	43.76	293	56.24	2.246	1.150	4.385	2.166	1.197	3.918
Floor					p < 0.0001			p < 0.0001
RML*	344	64.30	191	35.70	1	×	×	1	×	×
PSL*	187	36.67	323	63.33	3.710	2.093	6.575	3.995	2.296	6.951
Body weight day 1 (kg)					p = 0.1616			p = 0.1216
≤ 1.20	191	60.06	127	39.94	1	×	×	1	×	×
1.21–1.50	148	47.74	162	52.26	1.486	0.989	2.232	1.546	1.012	2.363
≥ 1.51	145	47.54	160	52.46	1.288	0.811	2.045	1.416	0.872	2.301
Average daily gain until day 5 (kg)					p = 0.4048			p = 0.2854
≤ 0.110	159	53.72	137	46.28	1	×	×	1	×	×
0.111– 0.0160	161	52.27	147	47.73	1.289	0.857	1.937	1.288	0.854	1.942
≥ 0.161	154	50.16	153	49.84	1.042	0.676	1.609	0.951	0.602	1.503

ISSN: 2055-5660