Table 3 Screening cohort characteristics.

From: Cost-effectiveness analysis of COPD screening programs in primary care for high-risk patients in China

Parameter

Values

Source/assumption

OWSA

Lower

Upper

Probability that a patient with chronic bronchitis (CB) has COPD

31.37%

3

25.10%

37.64%

Proportion of diagnosed COPD patients being mild

31.38%

3

25.10%

37.65%

Proportion of diagnosed COPD patients being moderate

46.04%

3

36.83%

55.25%

Proportion of diagnosed COPD patients being severe/very severe

22.58%

3

18.06%

27.10%

Average age of diagnosed COPD patients

59.59

3

47.67

71.50

% females in CB with COPD

23.46%

3

18.77%

28.15%

% females in CB without COPD

35.39%

3

28.31%

42.47%

Height (females)

155.80

40

140.22

171.38

Height (males)

167.10

40

150.39

183.81