TABLE 1.
Number and frequency of bacteremic animals by group level (SEMIQ) of bacteremia and by age
| Age | No. (%) of animalsa
|
|||||
|---|---|---|---|---|---|---|
| SEMIQ 0 | SEMIQ 1 | SEMIQ 2 | SEMIQ 3 | SEMIQ 4 | Total | |
| 0-6 mo | 41 (97.6)* | 0 (0) | 0 (0) | 0 (0) | 1 (2.4) | 42 |
| 7-12 mo | 16 (44.4)† | 10 (27.8) | 4 (11.1) | 2 (5.6) | 4 (11.1) | 36 |
| >1-≤2 yr | 5 (7.5)‡ | 21 (31.3) | 11 (16.4) | 13 (19.4) | 17 (25.4) | 67 |
| >2-≤3 yr | 26 (24.3)§ | 49 (45.8) | 17 (15.9) | 8 (7.5) | 7 (6.5) | 107 |
| >3-4 yr | 25 (42.4)†¶ | 24 (40.7) | 6 (10.2) | 3 (5.1) | 1 (1.7) | 59 |
| >4-≤5 yr | 17 (50.0)†¶∥# | 16 (47.1) | 1 (2.9) | 0 (0) | 0 (0) | 34 |
| >5-≤6 yr | 17 (54.8)†¶∥# | 13 (41.9) | 1 (3.3) | 0 (0) | 0 (0) | 31 |
| >6-≤7 yr | 10 (83.3)@ | 2 (16.7) | 0 (0) | 0 (0) | 0 (0) | 12 |
| >7-≤8 yr | 4 (66.7) | 2 (33.3) | 0 (0) | 0 (0) | 0 (0) | 6 |
| >8 yr | 3 (50) | 2 (33.3) | 0 (0) | 1 (16.7) | 0 (0) | 6 |
| Total | 164 | 139 | 40 | 27 | 30 | 400 |
a
Rows marked with superscript symbols are significantly different (P < 0.05 chi-square test).