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Distribution by age strata of cases positive for BLV infection being diagnosed by endpoint PCR
| Age (years) | Samples | Positive cows (%) | Odds ratio | 95.00 % confidence interval |
|---|---|---|---|---|
| 3 - 5 | 239 | 11 (4.60) | 1.00 | - |
| 6 - 8 | 125 | 10 (8.00) | 1.80 | 0.74 - 4.36 |
| ≥ 9 | 38 | 7 (18.42) | 4.68 | 1.69 - 12.97 |
| Total | 402 | 28 (6.96) | - | - |
X2 = 9.96, df = 2.00, and 𝑝 = 0.007.
