Table 2.
Nutritional status measures across the diagnostic groups
| Total | IPF | CTD-ILD | Non-IPF/non-CTD | |
|---|---|---|---|---|
| (n = 90) | (n = 27) | (n = 34) | (n = 29) | |
| Weight (kg) | 77.8 (27.5) | 76.7 (20.6) | 75.4 (27.3) | 78.5 (29.8) |
| BMI (kg/m2) | 28.3 (7.7) | 26.8 (5.6) | 28.7 (8.7) | 30.6 (9.7) |
| Underweight | 4 (4.4%) | 1 (3.7%) | 1 (2.9%) | 2 (6.9%) |
| Healthy weight | 41 (45.6%) | 20 (74.1%) | 12 (35.3%) | 9 (31.0%) |
| Overweight/obese | 45 (50%) | 6 (22.2%) | 21 (61.8%) | 18 (62.0%) |
| SGA | ||||
| A | 82 (91.1%) | 22 (81.5%) | 34 (100.0%) | 26 (89.7%) |
| B | 8 (8.9%) | 5 (18.5%) | 0 (0.0%) | 3 (10.3%) |
| C | 0 | 0 | 0 | 0 |
| Grip strength (kg) | 22 (15.9) | 27.0 (16.3) | 19.2 (17.7) | 19.7 (10.6) |
| % Predicted grip strength | 71.0 (25.3) | 74.7 (20.5) | 70.0 (28.7) | 70.3 (28.4) |
| TSFa,b (mm) | 22.0 (15.1) | 19.5 (7.6) | 23.8 (12.9) | 24.5 (16.8) |
| TSF percentile | 75th–90th | 50th–75th | 50th–75th | 75th–90th |
| Data missing | 8 | 0 | 2 | 6 |
| MAC (cm) | 30 (4.3) | 29.6 (3.4) | 31.8 (4.5) | 30.8 (6.5) |
| MAC percentile | 50th–75th | 25th–50th | 50th–75th | 50th–75th |
| Data missing | 6 | 0 | 1 | 5 |
| MAMC (cm) | 23.7 (4.1) | 24.3 (5.6) | 23.7 (3.8) | 23.3 (5.0) |
| MAMC percentile | 25th–50th | 25th–50th | 50th–75th | 10th–25th |
| Data missing | 8 | 0 | 2 | 6 |
| EQ-5D-5L | ||||
| Index Value (− 0.594 to 1) | 0.727 (0.232) | 0.762 (0.201) | 0.725 (0.210) | 0.683 (0.286) |
| VASb,c (0–100) | 70.0 (25.0) | 75.0 (20.0) | 77.5 (26.0) | 60.0 (33.0) |
| K-BILD (0–100) | ||||
| Total score | 66.7 (17.5) | 70 (32.2) | 67.2 (33.3) | 61.7 (32.2) |
| Breathlessness and activity | 45.8 (45.8) | 45.8 (45.8) | 50.0 (43.8) | 35.4 (46.9) |
| Chest symptoms | 77.8 (27.8) | 77.8 (27.8) | 77.8 (27.8) | 77.8 (48.6) |
| Psychological | 71.4 (39.3) | 73.8 (40.5) | 72.6 (32.1) | 63.1 (35.1) |
Data shown as number (percent) or median (interquartile range)
IPF idiopathic pulmonary fibrosis, CTD-ILD connective-tissue disease associated interstitial lung disease, BMI body mass index, SGA subjective global assessment, TSF triceps skinfold, MAC mid-arm circumference, MAMC mid-arm muscle circumference
aSignificant difference between IPF and CTD-ILD
bSignificant difference between IPF and non-IPF/non-CTD
cSignificant difference between CTD-ILD and non-IPF/non-CTD