From: Pectoralis muscle area and mortality in smokers without airflow obstruction
 | PMA Quartilea | |||||||
---|---|---|---|---|---|---|---|---|
Variable | 1 (< 31.8 cm2) | 2 (31.8–41.2 cm2) | 3 (41.3–53.5 cm2) | 4 (> 53.5 cm2) | ||||
Age, −yrs | 61 | ± 9 | 58 | ± 8 | 57 | ± 8 | 54 | ± 7 |
Male Sex, −% | 6 |  | 33 |  | 70 |  | 90 |  |
Non-Hispanic White, −% | 87 |  | 74 |  | 66 |  | 42 |  |
Height, −cm | 163 | ± 7 | 168 | ± 9 | 173 | ± 9 | 176 | ± 8 |
BMI, −kg/m2 | 27 | ± 5 | 29 | ± 6 | 30 | ± 6 | 31 | ± 6 |
Pack Years of Smoking | 37 | ± 20 | 39 | ± 22 | 40 | ± 21 | 38 | ± 20 |
Current Smoking Status, −% | 42 |  | 54 |  | 59 |  | 65 |  |
Modified Medical Research Council Dyspnea Score > 1, −% | 21 |  | 29 |  | 27 |  | 27 |  |
No. of Comorbiditiesa, −% | ||||||||
 0 | 39 |  | 37 |  | 40 |  | 45 |  |
 1–2 | 51 |  | 51 |  | 48 |  | 45 |  |
 3 or more | 10 |  | 12 |  | 12 |  | 10 |  |
FEV1, −% predicted | 93 | ± 15 | 91 | ± 15 | 92 | ± 16 | 92 | ± 16 |
FVC, −% predicted | 93 | ± 14 | 91 | ± 14 | 91 | ± 15 | 91 | ± 16 |
Six-minute walk distance, −m | 455 | ± 100 | 443 | ± 111 | 452 | ± 114 | 456 | ± 109 |
PMA, −cm2 | 26.2 | ± 3.9 | 36.4 | ± 2.7 | 46.9 | ± 3.6 | 67.6 | ± 14.1 |
PVMA, −cm2 | 39.8 | ± 7.4 | 47.7 | ± 9.9 | 56.1 | ± 10.7 | 64.5 | ± 12.2 |
SAT, −cm2 | 67.9 | ± 32.7 | 69.4 | ± 37.2 | 58.7 | ± 38.0 | 51.7 | ± 37.7 |
%LAA-950 on CT scans, −% | 2.1 | ± 2.8 | 2.0 | ± 2.9 | 1.9 | ± 2.2 | 1.2 | ± 1.6 |
CAC score | 82 | ± 210 | 128 | ± 339 | 140 | ± 309 | 105 | ± 289 |