Table 2.
Trends in incidence of diagnoses and fatigue symptoms.
| Diagnosis/symptoms | Period 1 | Annual percent change (95% CI) | Period 2 | Annual percent change (95% CI) | Period 3 | Annual percent change (95% CI) |
|---|---|---|---|---|---|---|
| Asthenia and debility | 2001–2003 | 27.2 (−14.8, 90.0) | 2003–2013 | −29.6 (−33.9, −24.9)a | ||
| CFS/ME | 2001–2013 | −2.8 (−3.6, −2.0)a | ||||
| Fibromyalgia | 2001–2007 | −2.4 (−5.3, 0.7) | 2007–2013 | 5.9 (3.1, 8.8)a | ||
| Post-viral fatigue syndrome (PVFS) | 2001–2013 | −7.8 (−10.1, −5.5) | ||||
| Fatigue symptoms | 2001–2004 | 5.3 (1.1, 9.6)a | 2004–2009 | 1.0 (−1.1, 3.3) | 2009–2013 | −1.7 (−3.9, 0.5) |
Evidence that annual percent change is greater than or less than zero at α = 0.05.