Table 3.
Clinical symptoms of study participants based on participant report of symptoms experienced during current illness, Endulen Hospital, Tanzania, 2016–2017.
| Case population n/N (%) | Non-case population n/N (%) | OR (95% CI) | OR p value | ||
|---|---|---|---|---|---|
| Symptom | |||||
| Reported fever in past 2 weeks | 13/14 (92.9) | 212/215 (98.6) | 0.18 (0.02–3.86) | 0.16 | |
| Fever type | Continuous | 0/13 (0.0) | 9/211 (0.04) | Ref | — |
| Intermittent | 13/13 (100) | 202/211 (95.8) | Inf (-Inf – Inf) | 0.99 | |
| Unit of fever duration | Days | 11/13 (84.6) | 192/211 (91.0) | Ref | — |
| Months | 2/13 (15.4) | 16/211 (7.58) | 2.18 (0.32–9.1) | 0.34 | |
| Years | 0/13 (0.0) | 3/211 (1.42) | 0.00 (-Inf – Inf) | 0.99 | |
| Night sweats | 13/14 (92.9) | 140/210 (66.0) | 6.50 (1.26–119.3) | 0.07 | |
| Fatigue | 11/14 (78.6) | 192/213 (90.1) | 0.40 (0.11–1.87) | 0.19 | |
| Joint pain | 12/14 (85.7) | 190/210 (90.5) | 0.63 (0.16–4.24) | 0.56 | |
| Swollen joints | 3/14 (21.4) | 30/209 (14.4) | 1.63 (0.36–5.58) | 0.47 | |
| Myalgia | 5/13 (38.5) | 83/201 (41.3) | 0.89 (0.26–2.76) | 0.84 | |
| Back pain | 6/14 (42.9) | 152 /213 (71.4) | 0.30 (0.10–0.90) | 0.03 | |
| Headache | 12/14 (85.7) | 185/214 (86.4) | 0.93 (0.24–6.24) | 0.93 | |
| Anorexia | 7/14 (50.0) | 105/215 (48.8) | 1.05 (0.35–3.16) | 0.93 | |
| Clinical Management | |||||
| Presumptive diagnosis including brucellosis | 6/13 (46.2) | 32/175 (18.3) | 3.83 (1.16–12.30) | 0.02 | |
| Admission to hospital | 3/14 (21.4) | 7/177 (4.0) | 6.62 (1.30–27.75) | 0.01 | |
| Initial treatment for brucellosis | 4/14 (28.6) | 12/216 (5.6) | 6.80 (1.68–23.91) | <0.01 | |
Reported % reflects the denominator appropriate for each symptom. Univariable analysis odds ratio (OR), 95% confidence intervals (CI) and p values are given. OR, CI and p values reported to two decimal places.