Table 4

Chronic obstructive pulmonary disease (COPD) diagnosis paired by the four methods used in the study

Diagnosis according to physician criteriaDiagnosis according to spirometry, n (%)Kappa (CI 95%)
COPD NoCOPD Yes
COPD No64 (24.1)32 (12.0)0.4103
(0.2981 to 0.5226)
COPD Yes42 (15.8)128 (48.1)
Diagnosis according to Tinkelman et al questionnaire
COPD NoCOPD Yes
COPD No57 (22.8)35 (14.0)0.3908
(0.2731 to 0.5086)
COPD Yes36 (14.4)122 (48.8)
Diagnosis according to Beeh et al questionnaire
COPD NoCOPD Yes
COPD No57 (22.8)35 (14.0)0.3136
(0.1943 to 0.4329)
COPD Yes47 (18.8)111 (44.4)
Diagnosis according to spirometryDiagnosis according to Tinkelman et al questionnaire
COPD NoCOPD Yes
COPD No40 (19.3)45 (21.6)0.1637
(0.0283 to 0.2991)
COPD Yes38 (18.3)85 (40.9)
Diagnosis according to Beeh et al questionnaire
COPD NoCOPD Yes
COPD No46 (22.1)39 (18.8)0.1986
(0.0644 to 0.3329)
COPD Yes42 (20.2)81 (38.9)
Diagnosis according to Tinkelman et alDiagnosis according to Beeh et al questionnaire
COPD NoCOPD Yes
COPD No66 (26.4)27 (10.8)0.4566
(0.3444 to 0.5688)
COPD Yes38 (15.2)119 (47.6)