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Table 1 Baseline characteristics

From: Lack of correlation of Brucella antibody titers with clinical outcomes and culture positivity of brucellosis

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)
  1. Data are presented as mean ± SD unless specified otherwise
  2. a Median [IQR]