Table 4 |
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|
Crude, directly standardised and adjusted prevalence rates of ME/CFS |
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|
GP Practices |
ME/CFS cases (n) |
Population 18 - 64 years old |
Crude prevalence rates (%) |
Directly standardised prevalence ratesa (%) |
Prevalence rates adjusted by response ratesb (%) |
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|
|
||||||||||||||
|
T |
T |
T |
M |
F |
T |
(95% CI) |
M |
(95% CI) |
F |
(95% CI) |
T |
M |
F |
|
|
|
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|
All practices |
219 |
143,153 |
0.15 |
0.06 |
0.25 |
0.15 |
0.13 - 0.17 |
0.07 |
0.05 - 0.09 |
0.23 |
0.20 - 0.26 |
0.20 |
0.09 |
0.30 |
|
London |
32 |
33,047 |
0.10 |
0.02 |
0.18 |
0.10 |
0.07 - 0.14 |
0.02 |
0.01 - 0.06 |
0.18 |
0.12 - 0.26 |
0.31 |
0.13 |
0.48 |
|
East Anglia |
71 |
28,026 |
0.25 |
0.10 |
0.41 |
0.24 |
0.19 - 0.30 |
0.11 |
0.06 - 0.19 |
0.36 |
0.27 - 0.46 |
0.25 |
0.15 |
0.36 |
|
East Yorkshire |
116 |
82,080 |
0.14 |
0.06 |
0.23 |
0.14 |
0.11 - 0.17 |
0.06 |
0.04 - 0.10 |
0.20 |
0.16 - 0.25 |
0.14 |
0.05 |
0.20 |
|
|
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|
aReference population: England mid-2008 population (source: Office for National Statistics - http://www.statistics.gov.uk/statbase/product.asp?vlnk = 15106 webcite); bAssumption: The respondents and non-respondents have proportionally the same number of ME/CFS cases; T, Total; M, male; F, female; based on 29 GP clinics |
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|
Nacul et al. BMC Medicine 2011 9:91 doi:10.1186/1741-7015-9-91 |
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