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Chest. 2005 Oct;128(4):2012-6.

Gender and COPD in patients attending a pulmonary clinic.

Author information

  • 1Respiratory Research Unit, Hospital Nuestra Sra de Candelaria, Tenerife, Spain. jupa65@hotmail.com

Abstract

OBJECTIVES:

To compare gender differences in the clinical expression of COPD patients attending a pulmonary clinic.

MATERIALS AND METHODS:

We compared 53 FEV1-matched men and women with COPD attending a pulmonary clinic. We studied age, smoking pack-years history, Pa(O2), Pa(CO2), functional residual capacity, body mass index (BMI), dyspnea, 6-min walk distance (6MWD), health-related quality of life, presence of comorbidities, and exacerbations in the previous year.

RESULTS:

Women were younger (57 years vs 65 years, p < 0.05), smoked less (48 pack-years vs 69 pack-years, p < 0.05), had better Pa(O2) (74 mm Hg vs 67 mm Hg, p < 0.05), lower Pa(CO2) (40 mm Hg vs 45 mm Hg, p < 0.05), lower BMI (25 vs 28, p < 0.05), more exacerbations in the last year (1 vs 0, p < 0.05), and fewer comorbidities (Charlson score 2 vs score 4, p < 0.05) than men. Even though women had the same FEV1, better oxygenation, better Pa(CO2), and fewer comorbidities, they performed poorer in walking distance (6MWD percentage of predicted, 87% vs 105%; p = 0.05), had worse quality-of-life scores (Saint George's Respiratory Questionnaire [SGRQ] symptoms score, 51 vs 41, p < 0.05; SGRQ activity score, 58 vs 47, p < 0.05), and had a higher degree of dyspnea (Modified Medical Research Council scale > 2, 28% vs 6%, p = 0.05).

CONCLUSIONS:

In a population of patients with COPD attending a pulmonary clinic, there are gender-related differences in the clinical expression of COPD that need further attention.

PMID:
16236849
[PubMed - indexed for MEDLINE]
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