Table 1.
Association Between Baseline Characteristics of the Studied Animals and Seropositivity for Brucella Infection by mRBPT, CFT, and cELISA
| Variables | mRBPT | CFT | cELISA | |||||
|---|---|---|---|---|---|---|---|---|
| Number Tested (%) | Number Positive (%) | Number Tested (%) | Number Positive (%) | Number Tested (%) | Number Positive (%) | Adjusted OR (95% CI) | P value | |
| Age | ||||||||
| 2–3.9 years | 82 (36.3) | 6 (7.3) | 15 (18.3) | 5 (33.3) | 82 (36.3) | 16 (19.5) | Reference | |
| 4–5.9 years | 89 (39.4) | 9 (10.1) | 26 (29.2) | 4 (15.4) | 89 (39.4) | 24 (27.0) | 1.38 (0.54–3.52) | 0.505 |
| ≥ 6 years | 55 (24.3) | 12 (21.8)* | 15 (27.3) | 8 (53.3)* | 55 (24.3) | 20 (36.4) | 1.92 (0.66–5.57) | 0.230 |
| Parity | ||||||||
| None | 46 (20.4) | 6 (13.0) | 6 (13.0) | 6 (100)* | 46 (20.4) | 10 (21.7) | Reference | |
| 1–2 | 87 (38.7) | 13 (14.9) | 24 (27.6) | 6 (25.0) | 87 (38.7) | 23 (26.4) | 1.00 (0.39–2.56) | 0.998 |
| ≥3 | 92 (40.9) | 8 (8.7) | 25 (27.2) | 5 (20.0) | 92 (40.9) | 27 (29.4) | 0.99 (0.34–2.87) | 0.895 |
| Stage of abortion | ||||||||
| First month | 34 (15.0) | 1 (2.9) | 1 (2.9) | 1 (100) | 34 (15.0) | 7 (20.6) | Reference | |
| Second month | 80 (35.4) | 1 (1.3) | 11 (13.8) | 0 (0) | 80 (35.4) | 16 (20.0) | 0.94 (0.33–2.69) | 0.906 |
| Third month and above | 112 (49.6) | 25 (22.3)* | 44 (39.3) | 16 (36.4) | 112 (49.6) | 37 (33.0) | 1.44 (0.55–3.77) | 0.463 |
| Frequency of abortion | ||||||||
| Once | 128 (56.6) | 11 (8.6) | 32 (25.0) | 8 (25.0) | 128 (56.6) | 29 (22.7) | Reference | |
| ≥ 2 times | 98 (43.4) | 16 (16.3) | 24 (24.5) | 9 (37.5) | 98 (43.4) | 31 (31.6) | 1.46 (0.71–2.98) | 0.301 |
| Retained placenta | ||||||||
| Absent | 107 (47.3) | 1 (0.9) | 12 (11.2) | 0 (0) | 107 (47.3) | 19 (17.8) | Reference | |
| Present | 119 (52.7) | 26 (21.9)* | 44 (37.0) | 17 (38.6)* | 119 (52.7) | 41 (34.5)* | 2.17 (1.08–4.37) | 0.030 |
Notes: *Pearson’s chi-square test was statistically significant at p < 0.05.