Subtypes | Normal | PSE | Bronchitis | Centrilobular emphysema (mild) | Centrilobular emphysema (moderate) | Centrilobular emphysema (severe) | Advanced destructive emphysema | p Value |
---|---|---|---|---|---|---|---|---|
Number, N (%) | 28 (9.86%) | 31 (10.92%) | 29 (10.21%) | 49 (17.25%) | 63 (22.18%) | 76 (26.76%) | 8 (2.82%) | – |
Age, year | 59 (58.25,64.75) | 64 (56,68) | 67 (58,81) | 66 (59,75.5) | 67 (64,73) | 69 (63.25,72) | 68.50 (64,78.75) | < 0.01 |
Sex, man, N (%) | 17 (60.71%) | 18 (58.06%) | 14 (48.28%) | 40 (81.63%) | 57 (90.48%) | 62 (81.58%) | 7 (87.5%) | < 0.01 |
BMI, kg/m2 | 25.43 (23.49,29.38) | 29.75 (24.80,30.00) | 27.43 (24.68,29.75) | 24.49 (21.97, 26.32) | 24.80 (21.97, 25.86) | 22.59 (18.98,25.33) | 19.84 (17.28,21.88) | < 0.01 |
mMRC scores | 3 (0,3) | 2 (2,3) | 2 (1,3) | 2 (1,2) | 2 (1,4) | 3 (3,4) | 4 (3,4) | < 0.01 |
Symptoms | < 0.01 | |||||||
Cough | 5 (17.86%) | 7 (22.58%) | 6 (20.69%) | 14 (28.57%) | 10 (15.87%) | 2 (2.63%) | 0 (0%) | – |
Expectoration | 4 (14.29%) | 11 (35.48%) | 2 (6.90%) | 8 (16.33%) | 9 (14.29%) | 1 (1.32%) | 1 (12.50%) | – |
Difficult breathing | 19 (67.86%) | 13 (41.94%) | 21 (72.41%) | 27 (55.10%) | 44 (69.84%) | 73 (96.05%) | 7 (87.50%) | – |
Current smoker, N (%) | 16 (57.14%) | 20 (64,52%) | 25 (86.21%) | 30 (61.22%) | 51 (80.95%) | 64 (84.21%) | 6 (75%) | – |
Acute exacerbations (frequency/year) | 0 (0,1) | 0 (0,1) | 0 (0,2) | 1 (0,2) | 1 (0,2) | 2 (1,3.5) | 3.5 (2,4) | < 0.01 |
FEV1 | 1.46 (1.21, 1.84) | 1.56 (1.21,2.50) | 1.56 (1.21,1.89) | 1.51 (1.06,1.95) | 1.42 (1.17,1.91) | 1.26 (0.90,1.51) | 1.04 (0.74,1.21) | < 0.01 |
FVC | 2.83 (2.24, 3.61) | 2.45 (2.06, 3.70) | 2.45 (1.98, 2.99) | 2.40 (1.80, 3.15) | 2.40 (2.04, 2.65) | 2.27 (1.91, 2.65) | 2.08 (1.54, 2.33) | < 0.01 |
FEV1% | 47.25 (41.20, 63.95) | 60 (41.20, 78.90) | 58 (47.30, 68.00) | 53.20 (45.35, 66.25) | 51.40 (40.50, 58.30) | 42 (31.98, 53.20) | 32.85 (26.63, 44.70) | < 0.01 |
FEV1/FVC% | 61.11 (60.96, 68.79) | 63.67 (58.74,67.15) | 62.13 (52.85,71.29) | 63.21 (58.64,67.64) | 57.35 (51.54, 67.00) | 51.52 (46.78,59.74) | 51.26 (46.60, 52.90) | < 0.01 |
RV/TLC% | 49.81 (44.76, 50.62) | 49.81 (49.81, 54.64) | 52.79 (50.27, 62.47) | 52.64 (46.29, 63.15) | 59.23 (52.48, 67.28) | 62.58 (57.01, 69.60) | 63.33 (59.61, 69.46) | < 0.01 |