Table 3.
Prevalence of ACOS by age and sex
| Demographic stratum | Unweighted
|
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|---|---|---|---|---|---|
| Within total population (N=59,935) | Within COPD (N=1,968) | Within asthma (N=1,191) | |||
|
|
|
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| COPD (n=1,968) |
Asthma (n=1,191) |
ACOS (n=366) |
ACOS (n=366) |
ACOS (n=366) |
|
|
|
|
||||
| % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) | |
| Total | 3.28 (3.14, 3.43) | 1.99 (1.88, 2.10) | 0.61 (0.55, 0.67) | 18.60 (16.88, 20.32) | 30.73 (28.11, 33.35) |
| Males | 3.58 (3.38, 3.79) | 2.11 (1.95, 2.26) | 0.66 (0.57, 0.74) | 18.31 (16.1, 20.53) | 31.16 (27.7, 34.62) |
| Females | 2.92 (2.72, 3.12) | 1.84 (1.68, 2.00) | 0.56 (0.47, 0.64) | 19.02 (16.29, 21.75) | 30.14 (26.12, 34.16) |
| 18–29 | 2.79 (2.53, 3.05) | 1.46 (1.27, 1.65) | 0.44 (0.33, 0.54) | 15.63 (12.22, 19.05) | 29.82 (23.88, 35.77) |
| 30–39 | 3.5 (3.19, 3.81) | 2.1 (1.86, 2.34) | 0.74 (0.60, 0.88) | 21.12 (17.47, 24.76) | 35.17 (29.67, 40.68) |
| 40–49 | 3.46 (3.14, 3.78) | 2.1 (1.85, 2.35) | 0.60 (0.47, 0.74) | 17.41 (13.8, 21.02) | 28.68 (23.16, 34.21) |
| 50–59 | 3.6 (3.22, 3.97) | 2.5 (2.18, 2.81) | 0.74 (0.57, 0.91) | 20.52 (16.26, 24.78) | 29.58 (23.8, 35.37) |
| 60–69 | 3.5 (3.03, 3.97) | 2.17 (1.79, 2.54) | 0.63 (0.43, 0.83) | 18.05 (12.78, 23.32) | 29.13 (21.22, 37.05) |
| 70+ | 2.67 (2.07, 3.27) | 1.73 (1.25, 2.22) | 0.51 (0.24, 0.77) | 18.92 (9.99, 27.85) | 29.17 (16.29, 42.04) |
|
| |||||
| Weighted | |||||
|
| |||||
| Within total population (N=444,643,405) | Within COPD (N=14,777,846) | Within asthma (N=8,958,717) | |||
|
|
|
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| COPD(N=14,777,846) | Asthma(N=8,958,717) | ACOS(N=2,733,141) | ACOS(N=2,733,141) | ACOS(N=2,733,141) | |
|
|
|
||||
| % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) | |
|
| |||||
| Total | 3.32 (3.17, 3.47) | 2.01 (1.9, 2.13) | 0.61 (0.55, 0.68) | 18.49 (16.71, 20.28) | 30.51 (27.78, 33.24) |
| Males | 3.71 (3.5, 3.93) | 2.12 (1.96, 2.28) | 0.68 (0.58, 0.77) | 18.27 (15.97, 20.58) | 31.98 (28.32, 35.64) |
| Females | 2.92 (2.71, 3.12) | 1.9 (1.73, 2.08) | 0.55 (0.46, 0.64) | 18.79 (15.98, 21.6) | 28.78 (24.71, 32.86) |
| 18–29 | 2.76 (2.49, 3.02) | 1.46 (1.27, 1.66) | 0.43 (0.33, 0.54) | 15.71 (12.19, 19.22) | 29.62 (23.53, 35.7) |
| 30–39 | 3.55 (3.23, 3.87) | 2.1 (1.85, 2.35) | 0.73 (0.58, 0.87) | 20.45 (16.8, 24.1) | 34.53 (28.92, 40.15) |
| 40–49 | 3.54 (3.2, 3.88) | 2.14 (1.87, 2.41) | 0.64 (0.49, 0.79) | 18.02 (14.19, 21.85) | 29.77 (23.91, 35.62) |
| 50–59 | 3.64 (3.25, 4.03) | 2.45 (2.13, 2.76) | 0.73 (0.55, 0.9) | 20 (15.67, 24.33) | 29.76 (23.74, 35.78) |
| 60–69 | 3.35 (2.88, 3.81) | 2.08 (1.71, 2.45) | 0.55 (0.37, 0.73) | 16.46 (11.41, 21.51) | 26.48 (18.78, 34.18) |
| 70+ | 2.68 (2.06, 3.3) | 1.69 (1.2, 2.18) | 0.55 (0.26, 0.84) | 20.52 (10.81, 30.24) | 32.53 (18.49, 46.57) |
Notes: All weighted results were generated using a survey sample procedure (PROC SURVEYFREQ), including a sample weight generated through a raking procedure to match the sample to the total urban population with respect to age, sex, and region.
Abbreviations: ACOS, asthma COPD overlap syndrome; CI, confidence interval; COPD, chronic obstructive pulmonary disease.