TABLE 1.
Baseline characteristics by VAT group as measured by bioelectrical impedance assay
| Low VAT area (≤123 cm2) |
High VAT area (>123 cm2) |
|
|---|---|---|
| N = 142 | N = 111 | |
| Age, y | 60 (51−66) | 62 (55−67) |
| Male gender | 83 (58) | 49 (44) |
| LAS at evaluationa | 41.1 (35.6–46.9) | 39.6 (34.5–48.8) |
| Diagnosisa | ||
| COPD | 25 (18) | 22 (20) |
| Interstitial lung disease | 71 (50) | 74 (67) |
| Sarcoidosis | 4 (3) | 4 (4) |
| Cystic fibrosis | 22 (15) | 1 (1) |
| PAH | 11 (8) | 4 (4) |
| Other | 9 (6) | 2 (2) |
| Racea | ||
| White | 103 (73) | 85 (77) |
| African American | 9 (6) | 10 (9) |
| Other | 15 (14) | 15 (14) |
| Height, cm | 169.3 (160.0–176.0) | 167.6 (160.0–175.3) |
| Weight, kg | 67.6 (54.9–79.8) | 83.4 (72.6–91.6) |
| BMI, kg/m2 | 23.5 (20.6–26.8) | 29.9 (27.2–31.4) |
| BMI Category | ||
| <18.5 | 9 (6) | 0 (0) |
| 18.5–25 | 81 (57) | 12 (11) |
| 25–30 | 45 (32) | 47 (42) |
| 30–35 | 7 (5) | 46 (41) |
| >35 | 0 (0) | 6 (5) |
| Forced Vital Capacity (L)a | 1.9 (1.5–2.4) | 1.9 (1.3–2.3) |
| DLCO (mL/min/mm Hg)a | 8.5 (6.0–11.7) | 8.1 (5.9–10.5) |
| 6-minute walk distance | 919 (636–1200) | 817 (490–1132) |
| Center | ||
| Center A | 42 (30) | 17 (15) |
| Center B | 35 (25) | 27 (24) |
| Center C | 65 (46) | 67 (60) |
BMI, body mass index; COPD, chronic obstructive pulmonary disease; DLCO, diffusing capacity of the lungs for carbon monoxide; FVC, forced vital capacity; LAS, lung allocation score; PAH, pulmonary arterial hypertension; VAT, visceral adipose tissue area.
a
Race missing for three subjects. Diagnosis missing for four subjects, LAS missing on 66 subjects, FVC missing for one subject, DLCO missing for 94 subjects.