Subjects characteristics per body composition phenotype
| Sarcopenia (group A) | Sarcopenia+abdominal obesity (group B) | No sarcopenia (group C) | Significant difference between group | |
| Patients n | 96 | 341 | 68 | |
| General characteristics | ||||
| Male % | 46.9 | 56.9 | 72.1 | AB–C |
| Age years | 60.5 (54.0–67.0) | 65.0 (58.0–70.0) | 63.0 (58.0–68.8) | A–B |
| FEV1 % pred | 43.0 (32.3–58.8) | 47.0 (35.5–62.5) | 63.5 (51.3–72.0) | AB–C |
| FVC % pred | 99.0 (85.3–110.5) | 98.0 (84.0–113.5) | 103.0 (89.0–123.5) | ns |
| FEV1/FVC | 37.0 (28.9–47.2) | 39.5 (30.3–49.2) | 47.9 (41.1–58.7) | A–BC, B–C |
| DLCO % pred | 45.0 (37.0–54.0) | 53.0 (43.0–63.0) | 67.5 (56.5–77.5) | A–BC, B–C |
| V′O2peak mL | 935.5 (744.0–1098.3) | 1045.5 (864.3–1238.8) | 1468.0 (1292.3–1682.8) | A–BC, B–C |
| V′O2peak % pred | 45.9 (27.8–71.9) | 38.3 (28.3–53.0) | 40.8 (34.6–52.6) | A–B |
| CRP mg·L−1 | 2.15 (0.54–8.84) | 3.42 (1.38–8.53) | 3.59 (1.89–9.16) | A–BC |
| Body composition | ||||
| Height cm | 167.0 (160.1–172.9) | 168.2 (162.5–174.0) | 172.3 (169.0–177.4) | AB–C |
| BMI kg·m−2 | 20.0 (18.2–22.1) | 25.0 (22.6–28.3) | 31.9 (28.7–34.8) | A–BC, B–C |
| FFM kg | 43.2 (37.6–51.5) | 47.9 (40.8–54.6) | 62.7 (54.3–67.1) | A–BC, B–C |
| FFMI kg·m−2 | 15.2 (14.5–17.0) | 16.7 (15.4–18.2) | 20.6 (19.5–22.0) | A–BC, B–C |
| Low FFMI % | 60.4 | 34.0 | 0 | A–BC, B–C |
| ASM kg | 16.9 (14.4–20.4) | 18.5 (15.7–22.0) | 26.1 (22.1–27.8) | A–BC, B–C |
| ASMI kg·m−2 | 5.0 (4.5–5.9) | 5.5 (4.8–6.4) | 7.55 (6.6–7.9) | A–BC, B–C |
| FM kg | 12.7 (5.7–17.5) | 23.3 (17.7–30.2) | 34.0 (26.3–39.1) | A–BC, B–C |
| FMI kg·m−2 | 4.2 (2.1–6.1) | 8.2 (6.2–10.9) | 11.1 (8.5–13.4) | A–BC, B–C |
| Fat % | 21.0 (12.0–28.9) | 33.1 (27.2–39.0) | 34.3 (29.4–39.0) | A–BC |
| Android FM kg | 0.9 (0.4–1.3) | 2.4 (1.8–3.3) | 3.7 (2.9–4.4) | A–BC, B–C |
| A/G%FM | 0.75 (0.6–0.9) | 1.2 (1.0–1.3) | 1.3 (1.2–1.4) | A–BC, B–C |
| Abdominal obese % | 0 | 100 | 97.1 | A–BC, B–C |
| Osteopenia % | 32.3 | 55.1 | 48.5 | A–BC |
| Osteoporosis % | 50 | 28.2 | 13.2 | A–BC, B–C |
Data are presented as median (interquartile range), unless otherwise stated. FEV1: forced expiratory volume in 1 s; % pred: % predicted; FVC: forced vital capacity; DLCO: diffusing capacity of the lung for carbon monoxide; V′O2peak: peak oxygen uptake; CRP: C-reactive protein; BMI: body mass index; FFM: fat-free mass; FFMI: fat-free mass index; ASM: appendicular skeletal muscle; ASMI: appendicular skeletal muscle index; FM: fat mass; FMI: fat mass index; A/G%FM: android/gynoid percentage fat mass; ns: nonsignificant.