Figure 1
Prevalence of symptoms of asthma in the past 12 months among persons aged 18 to 45 years in 70 countries, Worlds Health Survey 2002–2003.
Source: To T, et al. BMC Public Health 2012.
Figure 2
Age-standardised asthma mortality rates for all ages 2001–2010 from countries where asthma is separately coaded as a cause of death, ordered by mortality rate and country income group.*
Source: WHO Detailed Mortality Database, February 2014 update.
Table 1
Annual Direct Costs of Asthma Care in US$ and by Severity of Illness.
| Category | Mild disease (n = 140) | Moderate disease (n = 116) | Severe disease (n = 77) | Total (n = 333) | |
|---|---|---|---|---|---|
| Drugs | 253 ± 276 | * | 473 ± 310 | 559 ± 340 | 400 ± 329 |
| General Practitioner Visits | 18 ± 23 | 26 ± 27 | 39 ± 34 | 26 ± 29 | |
| Specialist Visits | 60 ± 56 | 81 ± 142 | 82 ± 119 | 72 ± 107 | |
| Hospitalization | 119 ± 501 | * | 366 ± 927 | 480 ± 1247 | 289 ± 884 |
| Emergency Room Visits | 35 ± 75 | 58 ± 95 | 75 ± 119 | 52 ± 95 | |
| Diagnostic Tests | 48 ± 74 | 46 ± 74 | 42 ± 77 | 46 ± 76 | |
| Total | 533 ± 833 | * | 1050 ± 1323 | 1277 ± 1703 | 885 ± 813 |
[i] Data are mean +/– SD. *p < 0.05 for differences according to severity of disease.
Adapted from Serra-Battles J, et al. Eur Resp J. 1998; 12: 1322–1326.