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Table 2 Comparison of median disease incidence scoresa per age categories before and after intervention (n = 48)

From: Effectiveness of alternative measures to reduce antimicrobial usage in pig production in four European countries

Age categoryDisorders ofMedian before intervention
(Q25; Q75b)
Median after intervention
(Q25; Q75)
p-valuec
Suckling pigslocomotor system3 (2; 4)3 (2; 3)0.36
gastro-intestinal tract system3 (2; 4)1 (1; 2)<  0.001
respiratory tract system1 (1; 2)1 (1; 2)0.55
central nervous system1 (1; 2)2 (2; 3)<  0.001
skin1 (1; 2)1 (1; 2)0.92
Weaned pigslocomotor system3 (2; 4)3 (2; 3)0.01
gastro-intestinal tract system2 (1; 4)2 (2; 3)0.19
respiratory tract system2 (1; 3)2 (1; 3)0.97
central nervous system2 (2; 3)3 (2; 4)0.24
skin2 (1; 2)2 (2; 3)0.18
Fattening pigslocomotor system2 (2; 3)2 (2; 3)0.45
gastro-intestinal tract system1 (1; 2)2 (2; 3)0.02
respiratory tract system2 (1; 3)2 (1; 3)0.84
central nervous system1 (1; 2)1 (1; 2)0.11
skin1 (1; 2)1 (1; 2)0.08
Breeding pigslocomotor system2 (2; 3)3 (2; 3)0.70
gastro-intestinal tract system1 (1; 1)1 (1; 2)<  0.001
respiratory tract system1 (1; 2)2 (1; 2)0.60
central nervous system1 (1; 1)1 (1; 1)0.02
skin1 (1; 2)1 (1; 1)0.04
reproductive tract system2 (2; 3)2 (2; 3)0.80
udder2 (2; 3)2 (2; 3)0.03
  1. aScores are composed of a five-point Likert scale (1 = never, 2 = rarely; 3 = occasionally; 4 = regularly; 5 = commonly/always). Significant (p < 0.05) results are highlighted in bold
  2. b25th and 75the quartiles
  3. cWilcoxon signed rank test (n = 48 farrow-to-finish herds)