Table 3.
Relation of the risk factors with the seroprevalence and molecular detection of brucellosis in 381camels, Egypt.
| Variable | Seroprevalence n (%) | Molecular Identification | ||||
|---|---|---|---|---|---|---|
| RBPT * | i-ELISA * | c-ELISA * | CFT * | Real-Time PCR n (%) |
Brucella DNA Identification | |
| Geographical location | ||||||
| Aswan (n = 186) | 33 (17.7) | 48 (25.8) | 41 (22.0) | 59 (31.7) | 8 (4.3) | 7 B. abortus 1 B. melitensis |
| Giza (n =106) | 15 (14.2) | 24 (22.6) | 15 (14.2) | 33 (31.1) | 9 (8.5) | 9 B. abortus |
| Al-Bahr Al-Ahmar (the Red Sea) (n = 89) | 11 (12.4) | 15 (16.9) | 21 (23.6) | 26 (29.2) | 15 (16.9) | 9 B. abortus 5 B. suis 1 B. melitensis |
| p-value ** | 0.4688 | 0.3205 | 0.4171 | NA | NA | |
| X2 | 1.5153 | 2.2757 | 1.7489 | |||
| Df | 2 | |||||
| 95% CI | - | - | - | |||
| OR | - | - | - | |||
| Breed | ||||||
| Al-Beshary (n = 89) | 11 (12.4) | 15 (16.9) | 21 (23.6) | 26 (29.2) | 15 (16.9) | 9 B. abortus 5 B. suis 1 B. melitensis |
| Al-Ebadi (n = 93) | 16 (17.2) | 26 (28.0) | 22 (23.7) | 30 (32.3) | 4 (4.3) | 3 B. abortus 1 B. melitensis |
| Al-Zemkly (n = 106) | 15 (14.2) | 24 (22.6) | 15 (14.2) | 33 (31.1) | 9 (8.5) | 9 B. abortus |
| Al-Zubaidi (n = 93) | 17 (18.3) | 22 (23.7) | 19 (20.4) | 29 (31.2) | 4 (4.3) | 4 B. abortus |
| p-value ** | 0.6775 | 0.4658 | 0.5823 | NA | NA | |
| X2 | 1.5205 | 2.5532 | 1.9524 | |||
| Df | 3 | |||||
| 95% CI | - | - | - | |||
| OR | - | - | - | |||
| Sex | ||||||
| Females (n = 86) | 7 (8.1) | 16 (18.6) | 11 (12.8) | 15 (17.4) | 8 (9.3) | 8 B. abortus |
| Males (n = 295) | 52 (17.6) | 71 (24.1) | 66 (23.4) | 103 (34.9) | 24 (8.3) | 17 B. abortus 5 B. suis 2 B. melitensis |
| p-value ** | 0.7177 | 0.3515 | 0.9164 | NA | NA | |
| X2 | 0.13075 | 0.86806 | 0.011028 | |||
| Df | 1 | |||||
| 95% CI | 0.2819–2.2582 | 0.6333–3.1044 | 0.4215–2.4729 | |||
| OR | 0.8438063 | 1.4091 | 1.0436 | |||
| Age | ||||||
| <8 years (n = 227) | 39 (17.2) | 52 (22.9) | 46 (20.2) | 81 (35.7) | 21 (9.3) | 15 B. abortus 5 B. suis 1 B. melitensis |
| ≥8–11 years (n = 68) | 13 (19.1) | 19 (27.9) | 20 (29.4) | 22 (32.4) | 3 (4.4) | 2 B. abortus 1 B. melitensis |
| 11–13 years (n = 51) | 4 (7.8) | 7 (13.7) | 8 (15.7) | 5 (9.8) | 6 (11.8) | 6 B. abortus |
| >13–15 years (n = 35) | 3 (8.6) | 9 (25.7) | 3 (8.6) | 10 (28.6) | 2 (5.7) | 2 B. abortus |
| p-value ** | 0.7844 | 0.5792 | 0.1672 | NA | NA | |
| X2 | 1.0699 | 1.9674 | 5.0641 | |||
| Df | 3 | |||||
| 95% CI | - | - | - | |||
| OR | - | - | - | |||
* The univariate analysis was based on the RBPT, i-ELISA and c-ELISA results; OR: odds ratio; CI: confidence interval; df: degree of freedom; X2: Pearson’s Chi-squared test; Ref: reference. ** (Statistical value of significance: p-value ≤ 0.05).