Disease Ratio (%) Age (year, mean± SD) BMI (kg/m2, mean± SD)   m f p m f p m f p Pulmonary 43 9 <0.001 58 ± 13 45 ± 15 0.008 25.8 ± 3.6 27.4 ± 4.7 <0.001 Cardiac 30 45 0.245 66 ± 14 62 ± 13 0.794 28.3 ± 4.0 32.9 ± 5.4 0.001 Psychogenic 21 37 <0.001 35 ± 12 38 ± 11 0.225 25.7 ± 4.2 25.9 ± 4.7 0.804 Others 6 9 0.347 62 ± 14 55 ± 17 0.290 29.4 ± 5.9 32.1 ± 7.4 0.338 Total 100 100   56 ± 17 51 ± 17 0.004 26.7 ± 4.5 29.8 ± 6.3 <0.001 m: male, f: female , BMI: body mass index

Table 2: Comparison of diseases causing chronic dyspnea in male and female patients