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Table 1 General characteristics of the population (n = 681)

From: Sensitivity of the COPD assessment test (CAT questionnaire) investigated in a population of 681 consecutive patients referring to a lung clinic: the first Italian specific study

 

Population

Men

Women

n.

681

480

201

Age (mean, years)

72.3 ± 9.6 sd

72.9 ± 9.1 sd

70.8 ± 10.4 sd

Origin (%)

   

North

36.4%

71.8%

28.2%

Center

30.7%

73.4%

26.8%

South + Islands

32.9%

75.9%

24.1%

Smoking

   

smokers (%)

14.5%

13.1%

17.9%

no. of pack/years

29.3 ± 27.6 sd

35.4 ± 28.0 sd

15.1 ± 20.3 sd

ex-smokers (%)

63.9%

75.7%

35.8%

non-smokers (%)

21.6%

11.2%

46.3%

BMI

29.1 ± 5.0 sd

29.3 ± 4.6 sd

28.7 ± 5.9 sd