Table 3.
Statistically significant associations evaluated in each admitted farm between antibiotic treatments and inappropriate dosing (A) and use of critically important antimicrobials (B) performed on the total reared animals and on each productive category.
| Farm | A: Dosage inappropriateness SP-W | ||
|---|---|---|---|
| Total reared animals | SP-W | Sows and boars | |
| 1 | - | - | OR: 0.30; IC95%: 0.09-0.78; P=0.03 |
| 2 | OR: 0.63; IC95%: 0.51-0.79; P= 4e-15 | - | OR: 0.14; IC95%: 0.07-0.25; P=4.99e-12 |
| 3 | - | OR: 0.25; IC95%: 0.09-0.64; P= 0.005 | OR: 2.99; IC95%: 1.17-7.89;P=0.03 |
| 4 | - | OR: 0.26; IC95%: 0.14.046; P= 2.46e-06 | OR: 10.80; IC95%: 2.76-71.11; P=0.0005 |
| 5 | OR: 17.65; IC95%: 7.30-58.03; P= 6e-14 | - | - |
| 6 | OR: 0.54; IC95%: 0.38-0.75; P= 0.00037 | - | OR: 0.52; IC95%: 0.30-0.87; P=0.02 |
| 7 | OR: 0.22; IC95%: 0.17-0.29; P< 2.20e-16 | OR: 0.08; IC95%: 0.05-0.11; P< 2.20e-16 | - |
| 8 | OR: 1.24; IC95%: 1.05-1.47; P=0.011 | OR: 2.49; IC95%: 1.90-3.30; P=6.22e-11 | OR: 0.74; IC95%: 0.55-0.98; P= 0.04 |
| 9 | OR: 2.06; IC95%: 1.06-4.24; P=0.05 | - | - |
| 10 | OR: 2.20; IC95%: 1.55-3.18; P=1.37e-05 | OR: 13.76; IC95%: 5.13-56.26; P=1.6e-08 | - |
| 11 | - | OR: 5.53; IC95%: 2.24-18.41; P=0.0004 | - |
| 12 | - | - | - |
| 13 | OR: 1.50; IC95%: 1.15-1.95; P=0.002 | OR:8.97; IC95%: 4.26-23.06; P=1.03e-09 | - |
| 14 | OR: 2.90; IC95%: 2.02-4.25; P=6.90e-9 | OR: 2.63; IC95%: 4.26-23.06; P=0.001 | OR: 5.20; IC95%: 2.70-10.5; P=3.23e-07 |
| Farm | Total reared animals | B: CIAs use SP-W | Sows |
| 1 | OR: 5.08; IC95%: 4.26-6.07; P<2.2e-16 | OR: 3.31; IC95%: 2.18-5.21; P<2.34e-08 | - |
| 2 | - | OR: 0.44; IC95%: 0.33-0.59; P<4.26e-08 | OR: 3.34; IC95%: 2.34-4.76; P=9.47e-12 |
| 3 | OR: 0.45; IC95%: 0.20-0.92; P= 0.05 | OR: 0.14; IC95%: 0.03-0.42; P=0.0006 | - |
| 4 | OR: 2.17; IC95%: 1.32-3.62; P= 0.003 | - | OR: 10.95; IC95%: 3.71-39.81; P=2.27e-06 |
| 5 | OR: 0.48; IC95%: 0.28-0.79; P= 0.006 | OR: 0.13; IC95%: 0.03-0.39; P=0.0003 | - |
| 6 | - | OR: 5.38; IC95%: 2.58-13.10; P=8.26e-06 | OR: 0.47; IC95%: 0.24-0.87; P=0.03 |
| 7 | - | - | OR: 0.54; IC95%: 0.28-0.95; P=0.05 |
| 8 | OR: 0.83; IC95%: 0.708-0.98; P= 0.03 | - | OR: 0.59; IC95%: 0.42-0.82; P=0.002 |
| 9 | - | - | - |
| 10 | - | - | OR: 0.25; IC95%: 0.08-0.63; P=0.08 |
| 11 | - | - | - |
| 12 | - | - | - |
| 13 | - | OR: 4.18; IC95%: 2.59-7.11; P=3.78e-09 | - |
| 14 | - | OR: 0.63; IC95%: 0.41-0.95; P=0.04 | OR: 5.04; IC95%: 2.66-9.68; P=1.68e-07 |
OR, odds ratio; IC, interval of confidence; SP-W, suckling piglets and weaners; CIAs, critically important antimicrobials.