Studies presenting prevalence estimates for CFS/ME from several case definitions applied on different populations (model C)
| First author, year, country | Case definition | Recruitment strategy |
|---|---|---|
| Bazelmans, 1999,75 The Netherlands | As recognized by GP | Questionnaire to all GPs, prevalence estimated to 0.11% |
| Lloyd, 1990,44 Australia | Australian | Recruited through GP's covering 76 206 patients |
| Buchwald, 1995,76 USA | CDC-1988/Holmes | Postal survey to 4000 randomly selected participants |
| Gunn, 1993,77 USA | CDC-1988/Holmes | Recruited by contact with primary health care providers; prevalence in the range 0.002–0.007% |
| Price, 1992,78 USA | CDC-1988/Holmes | Interview survey with 13 538 participants |
| Versluis, 1997,79 Netherlands | CDC-1988/Holmes | 23 000 patients in GP database |
| Bierl, 2004,80 USA | CDC-1994/Fukuda | Random digit-dialling survey with 7317 respondent |
| Cho, 2009,81 UK | CDC-1994/Fukuda | 2530 consecutive GP visitors |
| Cho, 2009,81 Brazil | CDC-1994/Fukuda | 3921 consecutive GP visitors |
| Evengård, 2005,82 Sweden | CDC-1994/Fukuda | Phone survey of 41 499 participants in a twin register |
| Hamagucchi, 2011,83 Japan | CDC-1994/Fukuda | 3000 random participants in a health check programme |
| Jason, 1999,84 USA | CDC-1994/Fukuda | Phone survey with 18 675 respondents |
| Kim, 2005,85 South Korea | CDC-1994/Fukuda | 1962 consecutive GP visitors |
| Njoku, 2007,86 Nigeria | CDC-1994/Fukuda | Interview survey with 1500 participants |
| Reeves, 2007,64 USA | CDC-1994/empirical | Phone survey with 10 837 responding households |
| Reyes, 2003,87 USA | CDC-1994/Fukuda | Phone survey with 33 997 responding households |
| Steele, 1998,88 USA | CDC-1994/Fukuda | Phone survey with 8004 responding households |
| van't Leven, 2009,89 The Netherlands | CDC-1994/Fukuda | Postal survey to 22 500 randomly selected participants |
| Vincent, 2012,90 USA | CDC-1994/Fukuda | Retrospective medical record review in Olmsted County; 183 841 residents |
| Yiu, 2005,91 China | CDC-1994/Fukuda | Unknown |
| Lawrie, 1995,58 UK | Oxford | Postal survey to 1039 randomly selected participants |
| Ho-Yen, 1991,92 UK | Post viral exhaustion syndrome | Postal survey to 195 GPs; prevalence 0.13% (0.12% to 0.15%) |
CFS, chronic fatigue syndrome; GP, general practitioner; ME, myalgic encephalomyelitis.