. 2015 Oct 24;16:152. doi: 10.1186/s12875-015-0373-z

Table 2.

Prevalence

	Number of patients with the consultation reason dyspnoea^a	Overall consultations	Prevalence	CI
Charles, 2005 (BEACH Program)	5215	602100 ^b	0.87 %	0.85–0.89
Frese, 2011 (SESAM Study)	93	8877 ^b	1.05 %	0.85–1.29
Okkes, 2002	3743	149238 ^c	2.59 %	2.43–2.59
Frese, 2011 (Transition Project ^d)	3743	149238 ^c	2.59 %	2.43–2.59

^aPatients with several consultations were singular counted during assessment time

^bAll direct encounters during assessment time (without double consultations)

^cAll active listed patients

^dBoth studies from Frese and Okkes published data from the Transitions Project persist. Due to the more detailed data presentation, we extracted the data from the article from Frese et al