Table 2.
Comparison between brucellosis with BEO and without BEO groups in univariate analysis.
| Feature | BEO (n = 72) | non-BEO (n = 1,116) | p-value |
|---|---|---|---|
| Age, years, mean (SD) | 46.72 (13.87) | 48.50 (14.43) | 0.311 |
| Education level | 0.151 | ||
| Illiterate, n (%) | 15 (20.8) | 145 (13.0) | |
| Primary school, n (%) | 14 (19.4) | 360 (32.3) | |
| Junior high school, n (%) | 20 (27.8) | 276 (24.7) | |
| High school/Technical secondary school, n (%) | 20 (27.8) | 282 (25.3) | |
| College/University, n (%) | 3 (4.2) | 40 (3.6) | |
| Graduate and above, n (%) | 0 (0.0) | 13 (1.2) | |
| Stage, n (%) | 0.667 | ||
| Acute phase | 61 (84.7) | 930 (83.3) | |
| Subacute phase | 8 (11.1) | 110 (9.9) | |
| Chronic phase | 3 (4.2) | 75 (6.7) | |
| Symptom duration, per 30 days, mean (SD) | 1.83 (2.58) | 2.32 (3.98) | 0.031 |
| BMI, kg/m2, Mean (SD) | 22.59 (3.82) | 23.11 (3.91) | 0.267 |
| Fatigue, n (%) | 15 (20.8) | 404 (36.2) | 0.008 |
| Arthralgia, n (%) | 26 (36.1) | 511 (45.8) | 0.110 |
| Hidrosis, n (%) | 1 (1.4) | 65 (5.8) | 0.184 |
| Myalgia, n (%) | 0 (0.0) | 22 (2.0) | 0.393 |
| Fever, n (%) | 27 (37.5) | 323 (28.9) | 0.123 |
| Lumbago, n (%) | 12 (16.7) | 313 (28.0) | 0.036 |
| Anorexia, n (%) | 2 (2.8) | 57 (5.1) | 0.547 |
| Splenomegaly, n (%) | 22 (30.6) | 249 (22.3) | 0.106 |
| Arthritis, n (%) | 65 (90.3) | 994 (89.1) | 0.749 |
| Spondylitis, n (%) | 22 (30.6) | 422 (37.8) | 0.217 |
| Paravertebral abscess, n (%) | 4 (5.6) | 88 (7.9) | 0.473 |
| Intraspinal abscess, n (%) | 2 (2.8) | 44 (3.9) | 0.856 |
| Hydrops articuli, n (%) | 51 (70.8) | 828 (74.2) | 0.529 |
| Positive blood culture, n (%) | 31 (43.1) | 336 (30.1) | 0.021 |
| Lymphadenopathy, n (%) | 7 (9.7) | 71 (6.4) | 0.384 |
| Temperature, °C, Mean (SD) | 37.36 (1.07) | 37.24 (0.88) | 0.354 |
| PLT, ×109/L, mean (SD) | 233.13 (83.57) | 211.01 (62.61) | 0.034 |
| ALT, U/L, mean (SD) | 28.23 (30.56) | 25.06 (26.87) | 0.338 |
| AST, U/L, mean (SD) | 24.04 (20.57) | 27.92 (34.96) | 0.352 |
| GGT, U/L, mean (SD) | 53.91 (40.56) | 51.45 (63.69) | 0.746 |
| ALB, g/L, mean (SD) | 34.75 (4.63) | 34.75 (4.26) | 0.998 |
| WBC, ×109/L, mean (SD) | 5.86 (3.39) | 5.04 (1.86) | 0.046 |
| Lymphocytes, mean (SD) | 1.72 (0.71) | 1.65 (0.64) | 0.392 |
| Total bilirubin, μmol/L, mean (SD) | 10.50 (5.71) | 11.74 (9.39) | 0.269 |
| LDH, U/L, mean (SD) | 194.56 (67.93) | 206.44 (102.83) | 0.366 |
| SAT, mean (SD) | 464.08 (269.28) | 421.35 (274.98) | 0.204 |
| Amylase, U/L, mean (SD) | 73.63 (24.16) | 70.85 (26.12) | 0.656 |
| PCT, ng/mL, mean (SD) | 0.09 (0.07) | 0.09 (0.09) | 0.786 |
| IL-6, pg./mL, mean (SD) | 22.79 (64.48) | 13.07 (19.60) | 0.469 |
| ESR, mm/h, mean (SD) | 31.40 (22.37) | 23.32 (22.46) | 0.004 |