Table 1 Characteristics of healthy controls, chronic fatigue syndrome (CFS) patients, Q fever fatigue syndrome (QFS) patients, and asymptomatic Q fever seropositive controls
Characteristics | Healthy controls (n = 10) | CFS (n = 10) | QFS (n = 10) | Q fever seropositives (n = 10) |
|---|---|---|---|---|
Male sex, number (%) | 5 (50) | 5 (50) | 5 (50) | 5 (50) |
Age, years Median (IQR) | 54 (37–61) | 48 (41–52) | 43 (40–58) | 50 (43–57) |
Duration of symptoms, monthsa Median (IQR) | – | 110 (31–253) | 78 (62–87) | – |
CIS subscale fatigue severity score, mean ± SD | – | 51 ± 5.1 | 52 ± 4.1 | – |
SIP-8 total score, mean ± SD | – | 1600 ± 735.0 | 1474 ± 483.7 | – |