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. 2021 Jun 1;16:1519–1527. doi: 10.2147/COPD.S307483

Table 2.

Frequency and Severity of Airway Obstruction in Participants Stratified by Sex

Airway Obstruction Both Sexes Females Males
Observed Undiagnosed Observed Undiagnosed Observed Undiagnosed
n, %a 180 (18.0) 142 (14.2) 50 (5.0) 35 (3.5) 130 (13.0) 107 (10.7)
Mild, n (%b) 43 (23.9) 38 (26.8) 14 (28.0) 12 (34.3) 29 (22.3) 26 (24.3)
Moderate, n (%b) 96 (53.3) 77 (54.2) 23 (46.0) 16 (45.7) 73 (56.2) 61 (57.0)
Severe, n (%b) 38 (21.1) 25 (17.6) 11 (22.0) 6 (17.1) 27 (20.8) 19 (17.8)
Very severe, n (%b) 3 (1.7) 2 (1.4) 2 (4.0) 1 (2.9) 1 (0.8) 1 (0.9)

Notes: aPercent of total population. bPercent of class.

Abbreviations: Obs, observed; Und, undiagnosed.