Table 6 Summary table of asthma studies in the elderly
Reference (Year) | Country | Type of Study | Age Group | Final Sample Size (Response Rate-%) | Outcome | Prevalence (95%CI) |
|---|---|---|---|---|---|---|
Hardie et al [25] (2005) | Norway | Cross-Sectional Survey | 70 years and older | 1649 (56%) | Current Asthma | All: 8.0% (6.5–9.5) Men: 8.1% (6.0–10.2) Women: 8.0% (5.9–10.0) |
|  |  |  |  |  | Wheezing | All: 7.7 (6.3–9.1) Men: 10.3 (8.0–12.5) Women: 6.2 (4.4–8.0) |
Malik et al [7] (2004) | USA | Community-based Cross-Sectional Survey | > 60 years | 380 | Doctor Diagnosed Asthma | 10% (9.0–16.0) |
Mishra [31] (2003) | India | Interview administered Cross-sectional survey | 60 years and older | 38,582 (98% overall) | [Self-reported] Asthma | Range: 8.5%–12.4% (various age groups) Men: 9.5%–14.0% Women: 7.5%–10.5% |
Choy et al. [32] (2002) | China | Cross-sectional survey | 70 yrs and older | 179 (72%) | [Clinical] Asthma | 3.9% (1.6–7.9) |
|  |  |  |  |  | [Symptom-based] Asthma | 5.0% (2.3–9.3) |
Saks et. al. [33] (2001) | Estonia | Interview administered survey | ≥ 65 years of age | 811 (81.1%) | Doctor Diagnosed Asthma | 5.5% (3.9%–7.2%) |
Romero et al. [4] (2001) | USA | community-based cross-sectional survey | ≥ 65 years of age | 883 (53%) | [Self reported] Asthma | NHWM*: 9.3% NHWF* : 7.6% HM*: 4.2% HF*: 6.3% |
Enright et. al. [6] (1999) | USA | Prospective study-Cardiovascular Health Study | ≥ 65 years of age | 4581 | Definite Asthma | 3.9% |
| Â | Â | Â | Â | Â | Probable Asthma | 4.1% |
Parameswaran et. al. [26] (1998) | U.K. | Cross-Sectional Survey | > 65 years of age | 1362 (68%) | Asthma | 7.0% |
Nejjari et al. [27] (1996) | France | Cross-sectional based on PAQUID Cohort | ≥ 65 years of age | 2355 (97.9%) | Asthma | Overall: 6.1% Men: 7.4% (5.7–9.0) Women: 5.2% (4.1–6.4) |
| Â | Â | Â | Â | Â | Current Asthma | Overall: 2.5% Men: 2.9% Women: 2.2% |
Isoaho et al. [28] (1994) | Finland | Cross-sectional survey | ≥ 65 years of age | 1196 (93%) | Self reported Asthma | Men: 7.0% Women: 8.6% |
| Â | Â | Â | Â | Â | Current Asthma | Men: 2.9% Women: 3.8% |
Burrows et al. [5] (1991) | USA | Cross-sectional as part of a longitudinal study | ≥ 65 years of age | 804 | [Self reported] Asthma | Men: 3.8% Women: 7.1% |
| Â | Â | Â | Â | Â | Active Asthma | Overall: 7.5% Men: 7.9% Women: 7.1% |
Horsley et al. [29] (1991) | U.K. | Postal Cross Sectional Survey | ≥ 65 years of age | 1803 (96.2%) | Asthma | Overall: 8.4% Men: 9.6% Women: 7.2% |
| Â | Â | Â | Â | Â | Current Asthma | Overall: 4.2% Men: 4.9% Women:3.6% |
| Â | Â | Â | Â | Â | Wheezing | Overall: 24.2% Men: 29.2% Women: 19.7% |
Burr et al. [30] (1979) | U.K. | Random Cross-sectional survey | 70 yrs and older | 418 (86.2%) | Current Asthma | Overall: 2.9% Men: 5.1% Women: 1.8% |
| Â | Â | Â | Â | Â | [Ever] Asthma | 6.5% |