Table 1 Baseline characteristics
Characteristic | All Patients (n = 94) |
|---|---|
Age, years | 48 ± 19 |
Sex, male, n (%) | 58 (61.7) |
Race, n (%) | |
• White | 83 (88.3) |
• Black | 3 (3.2) |
• Asian | 8 (8.5) |
Location, n (%) | |
• Outpatient | 43 (45.7) |
• Inpatient medical ward | 49 (52.1) |
• ICU | 2 (2.1) |
Charlson co-morbidity index | 1.9 ± 2.1 |
Baseline B. melitensis antibody titera | >  1:1280 [1:1280- >  1:1280] |
Baseline B. melitensis antibody titer ≥1:640, n (%) | 78 (83) |
Baseline B. abortus antibody titera | >  1:1280 [1:1280- >  1:1280] |
Baseline B. abortus antibody titer ≥1:640, n (%) | 73 (77.7) |
Baseline temperature, °C | 36.8 [36–37.3] |
Baseline white blood cells count, cells/mm3 | 6.6 ± 4.9 |
Baseline C-reactive protein, mg/L | 34.5 ± 39.9 |
Baseline erythrocyte sedimentation rate, mm/hr | 29 ± 23.5 |
Duration of therapya | 45 [45–135] |
Risk factors for infection, n (%) | |
• Unpasteurized dairy product | 42 (44.7) |
• Direct contact with animals | 4 (4.3) |
• Both | 8 (8.5) |
• Other | 1 (1) |
• Unknown | 39 (41.5) |
Diagnostic test positivity, n (%) | |
• Brucella serology alone | 42 (44.7) |
• Both Brucella serology and culture | 52 (55.3) |
Brucella spp., n (%) | |
• B. melitensis | 4 (4.3) |
• B. abortus | 2 (2.1) |
• Both | 88 (93.6) |
Complicated brucellosis, n (%) | 29 (30.9) |
• Spondylodiscitis | 17 (59) |
• Neurobrucellosis | 5 (17) |
• Orchitis | 3 (10.3) |
• Other | 3 (10.3) |
• > 1 organ | 1 (3.4) |
Arthralgia, n (%) | 30 (31.9) |
Regimen used, n (%) | |
• Aminoglycoside + doxycycline + rifampin | 44 (46.8) |
• Doxycycline + rifampin | 34 (36.2) |
• Other | 16 (17) |