Table 1.
Characteristics of Patients with IPF Included in the Study (n=59).
| Age, years | 73.3±8.1 |
| Sex, female, n (%) | 6 (10.2%) |
| Body mass index, kg/m2 | 22.6±3.3 |
| Histological diagnosis, n (%) | 19 (32.2%) |
| GAP stage (I/II/III), n (%) | 35 (59%)/23 (39%)/1 (2%) |
| FVC, % predicted | 81.6±15.8 |
| FEV1, % predicted | 83.4±14.7 |
| FEV1/FVC, % | 81.9±7.81 |
| DLCO, % predicted | 66.6±19.7 |
| Distance walked during 6MWT, m | 413±97 |
| Lowest SpO2 during 6MWT, % | 89 [85-92] |
| ESMCSA, cm2 | 25.5±6.7 |
| PMCSA, cm2 | 13.3 [9.9-15.3] |
| PMV, cm3 | 270.2±9.8 |
| PMV index, cm3/m3 | 62.1±1.9 |
| Skeletal muscle index, kg/m2 | 6.8±0.9 |
| Handgrip strength, kg | 32.0±9.8 |
| Usual gait speed, m/s | 1.1±0.3 |
| Daily step count | 4,258 [2,155-6,991] |
| HADS anxiety score | 3.5 [1-7] |
| HADS depression score | 6 [3-8.25] |
| Sarcopenia, n (%) | 22 (31.9%) |
| Severe sarcopenia, n (%) | 8 (13.6%) |
GAP: gender, age, and physiology, FVC: forced vital capacity, FEV1: forced expiratory volume in 1.0 s, DLCO: diffusion capacity of the lung for carbon monoxide, 6MWT: 6-minute walk test, SpO2: oxygen saturation by pulse oximetry, ESMCSA: cross-sectional area of erector spinae muscles, PMV: psoas major muscle volume, HADS: Hospital Anxiety and Depression Scale
Data are presented as the mean (±standard deviation), median [interquartile range], or number (%)