TABLE 2.

Prevalence of anxiety and depression in patients with chronic obstructive pulmonary disease (COPD) according to sex

First author [ref.]	Population	Patients n	COPD	Females %	Anxiety	Depression	Anxiety and depression
Di Marco [34]	Italian	202	Moderate to severe	23.3	38.3/25.2	38.3/12.9	25.5/6.5
Laurin [90]	Canadian	116	Moderate to severe	53	56/35	24/12	Not provided
Raherison [1]	French	430	Moderate to severe	57.4	29.4/16.8	19/4.6	Not provided

Data are presented as females/males %, unless otherwise stated.