Canadian Respiratory Journal / 2016 / Article / Tab 3

Research Article

Office-Based Case Finding for Chronic Obstructive Pulmonary Disease in Older Adults in Primary Care

Table 3

Results of the Canadian Thoracic Society screen for COPD screen for patients with a 20-pack-year history of smoking ().

Screening resultsTotal

(%)
Previous diagnosis of COPD

(%)
No previous diagnosis of COPD

(%)
value

Negative CTS screen for COPD61 (58.1)13 (36.1)48 (69.6)0.001
Positive CTS screen for COPD44 (41.9)23 (63.9)21 (30.4)
CTS screening for COPD, positive screens for the following:
 Coughs regularly23 (21.9)13 (36.1)10 (14.5)0.011
 Coughs up phlegm regularly25 (23.8)10 (27.8)15 (21.7)0.490
 Being short of breath31 (29.5)20 (55.6)11 (15.9)0.001
 Wheezes12 (11.4)9 (25.0)3 (4.3)0.003
 Having frequent colds2 (1.9)1 (2.8)1 (1.4)0.636

COPD: chronic obstructive pulmonary disease; CTS: Canadian Thoracic Society screening questions [2].
Statistically significant () differences between those previously diagnosed with COPD and those not previously diagnosed with COPD.
Positive response on at least one of the five CTS screening questions.

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