Table 1 Baseline characteristics
From: Psychometric properties and minimal important differences of SF-36 in Idiopathic Pulmonary Fibrosis
n valid | n missing | mean / frequency | sd / % | ||
|---|---|---|---|---|---|
Age (in years) | mean (sd) | 258 | 0 | 67.3 | 10.7 |
Gender | frequency (%) | 258 | 0 | ||
male | 189 | 73.3 | |||
Study site | frequency (%) | 258 | 0 | ||
Paris | 73 | 28.3 | |||
Giessen | 153 | 59.3 | |||
London | 9 | 3.5 | |||
Vienna | 12 | 4.7 | |||
Prague | 3 | 1.2 | |||
Napoli | 1 | 0.4 | |||
Budapest | 6 | 2.3 | |||
Smoker | frequency (%) | ||||
current or ever | 248 | 10 | 181 | 73.0 | |
Time since diagnosis (in years) | mean (sd) | 249 | 9 | 2.6 | 2.8 |
FVC (in percent of predicted) | mean (sd) | 258 | 0 | 62.7 | 19.8 |
DLCO (in percent of predicted) | mean (sd) | 228 | 30 | 41.8 | 18.8 |
6MWD (in meters) | mean (sd) | 181 | 77 | 403.1 | 120.1 |
LTOT | frequency (%) | ||||
current | 244 | 14 | 82 | 33.6 | |
LTx | frequency (%) | 239 | 19 | ||
listed | 3 | 1.3 | |||
transplantated | 4 | 1.7 | |||
SF-36 | mean (sd) | ||||
PCS | 232 | 26 | 34.6 | 10.5 | |
MCS | 232 | 26 | 45.3 | 11.8 | |
GHP | 250 | 8 | 40.3 | 18.4 | |
PFI | 253 | 5 | 42.2 | 27.8 | |
ROLPH | 247 | 11 | 30.2 | 40.5 | |
ROLEM | 244 | 14 | 56.2 | 45.8 | |
SOCIAL | 257 | 1 | 62.0 | 28.5 | |
MHI | 250 | 8 | 62.5 | 21.3 | |
PAIN | 255 | 3 | 65.1 | 28.2 | |
VITAL | 253 | 5 | 40.0 | 18.9 | |
BDI (range 0–12) | frequency (%) | 140 | 118 | ||
4 | 2 | 1.4 | |||
5 | 3 | 2.1 | |||
6 | 44 | 31.4 | |||
7 | 48 | 34.3 | |||
8 | 30 | 21.4 | |||
9 | 10 | 7.1 | |||
10 | 3 | 2.1 | |||
mMRC (range 1–5) | frequency (%) | 196 | 62 | ||
1 | 35 | 17.9 | |||
2 | 61 | 31.1 | |||
3 | 44 | 22.5 | |||
4 | 27 | 13.8 | |||
5 | 29 | 14.8 | |||
Modified NYHA scale (1–4) | frequency (%) | 229 | 29 | ||
1 | 23 | 10.0 | |||
2 | 97 | 42.4 | |||
3 | 95 | 41.5 | |||
4 | 14 | 6.1 | |||