Parameter | Lobe | Age group 1 | Age group 2 | Age group 3 | Total number in each lobe (%) |
---|---|---|---|---|---|
Number of air trapping | RUL | 0 | 1 | 5 | 6 (8) |
RML | 0 | 1 | 1 | 2 (3) | |
RLL | 5 | 6 | 17 | 28 (39) | |
LUL | 0 | 1 | 5 | 6 (8) | |
Lingular | 0 | 1 | 1 | 2 (3) | |
LLL | 4 | 7 | 17 | 28 (39) | |
Bronchiectasis | RUL | 0 | 1 | 2 | 3 (13) |
RML | 0 | 4 | 1 | 5 (22) | |
RLL | 0 | 2 | 3 | 5 (22) | |
LUL | 0 | 1 | 0 | 1 (4) | |
Lingular | 0 | 1 | 0 | 1 (4) | |
LLL | 0 | 2 | 4 | 6 (26) | |
Bronchial wall thickening | RUL | 0 | 2 | 2 | 4 (15) |
RML | 0 | 2 | 2 | 4 (15) | |
RLL | 0 | 2 | 5 | 7 (26) | |
LUL | 0 | 2 | 2 | 4 (15) | |
Lingular | 0 | 0 | 0 | 0 (0) | |
LLL | 0 | 2 | 6 | 8 (30) |
Parameters | Age ≤56 | Age >56 | |
---|---|---|---|
Number | 37 | 23 | 0.09 |
Bronchiectasis | 3 | 7 | 0.04 |
Bronchial wall thickening | 2 | 7 | 0.02 |
Air trapping | Other lobes | LLL+ RLL | Pearson chi-square test, LLL = left lower lobe, RLL = right lower lobe, |
---|---|---|---|
Positive | 16 | 56 | <0.01 |
Negative | 224 | 64 |
RUL | RML | RLL | LUL | Lingular | LLL | |
---|---|---|---|---|---|---|
Positive | 3 | 5 | 5 | 1 | 1 | 6 |
Negative | 57 | 55 | 55 | 59 | 59 | 54 |
RUL | RML | RLL | LUL | Lingular | LLL | |
---|---|---|---|---|---|---|
Positive | 4 | 4 | 7 | 4 | 0 | 8 |
Negative | 56 | 56 | 53 | 56 | 60 | 52 |
Group 1 | Group 2 | Group 3 | Pearson chi-square test | |
---|---|---|---|---|
Range (age) | 20-40 | 41-60 | ≥6 1 | |
Median | 32 | 51 | 64.5 | |
Mean (Standard deviation) | 30.5 (6.1) | 50.4 (4.9) | 66.7 (5.7) | |
Number of participants | 20 | 20 | 20 | |
Male (%) | 17 (85) | 17 (85) | 8 (40) | 0.01 |
<0.05 | <0.05 | 0.50 | ||
Smoking | 4 | 10 | 5 | 0.09 |
Smoking history (Pack-years) Data are medians, with ranges in parentheses | 0 (0-2.5) | 0.05 (0-40) | 0 (0-60) |
Bronchiectasis | Bronchial wall thickening | |
---|---|---|
Sensitivity | 70% | 78% |
Specificity | 68% | 69% |
Air trapping | Age group 1 | Age group 2 | Age group 3 | Total | Pearson chi-square test |
---|---|---|---|---|---|
Lobular | 3 | 4 | 5 | 12 | 0.11 |
Geographic | 2 | 2 | 8 | 12 | 0.09 |
Extensive | 0 | 1 | 5 | 6 | 0.02 |
CT imaging outcome | Smoking | No smoking | |
---|---|---|---|
Air trapping present | 10 | 20 | >0.10 |
Air trapping absent | 9 | 21 | |
Reticulation present | 1 | 0 | >0.10 |
Reticulation absent | 18 | 41 | |
Bronchiectasis present | 3 | 7 | >0.10 |
Bronchiectasis absent | 16 | 34 | |
Bronchial wall thickening present | 3 | 6 | >0.10 |
Bronchial wall thickening absent | 16 | 35 |
Degree | Age group 1 | Age group 2 | Age group 3 | Total |
---|---|---|---|---|
Cylindrical | 0 | 4 | 6 | 10 |
Varicose | 0 | 0 | 0 | 0 |
Cystic | 0 | 0 | 0 | 0 |