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 results
Total
(%)
Previous diagnosis of COPD
(%)
No previous diagnosis of COPD
(%)
value
Negative CTS screen for COPD
61 (58.1)
13 (36.1)
48 (69.6)
0.001
Positive CTS screen for COPD
44 (41.9)
23 (63.9)
21 (30.4)
CTS screening for COPD, positive screens for the following:
Coughs regularly
23 (21.9)
13 (36.1)
10 (14.5)
0.011
Coughs up phlegm regularly
25 (23.8)
10 (27.8)
15 (21.7)
0.490
Being short of breath
31 (29.5)
20 (55.6)
11 (15.9)
0.001
Wheezes
12 (11.4)
9 (25.0)
3 (4.3)
0.003
Having frequent colds
2 (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.
