Table 2.

Incidence of musculoskeletal symptoms in the study population. Comparison of patients with clinical salmonellosis (infected) and noninfected persons. Relative risk (RR) and 95% confidence interval.

SymptomsInfected, n = 155 (%)Noninfected, n = 78 (%)Crude RR (95% CI)Adjusted RR* (95% CI)
Joint pain77 (50)13 (17)3.0 (1.78–5.05)2.91 (1.73–4.91)
Joint swelling32 (21)2 (3)8.05 (1.97–32.82)7.35 (1.79–30.11)
Joint redness or warmth13 (8)2 (3)3.27 (0.75–14.18)3.12 (0.70–13.94)
Joint stiffness37 (24)6 (8)3.10 (1.37–7.05)2.90 (1.28–6.56)
Lower back pain65 (42)5 (6)6.54 (2.74–15.61)6.31 (2.64–15.03)
Buttock pain18 (12)4 (5)2.26 (0.79–6.48)1.91 (0.67–5.48)
Heel pain34 (22)4 (5)4.28 (1.57–11.65)3.86 (1.43–10.46)
Mouth sores/ulcers56 (36)9 (11)3.13 (1.63–6.00)3.00 (1.47–5.74)
Genital sores/rash5 (3)1 (1)2.41 (0.29–20.44)2.15 (0.22–21.39)
Red, painful, burning, or itching eyes35 (23)8 (10)2.20 (1.07–4.52)2.13 (1.03–4.39)
Rash27 (17)5 (6)2.72 (1.09–6.80)2.61 (1.05–6.45)
Urethritis (male only)9 (12)2 (3)2.73 (0.62–12.06)2.25 (0.50–9.99)
  • * Adjusted by age, sex, and history of rheumatic disease or arthrosis.