Background
Methods
Results
IPF | Sarcoidosis | CTD-ILD | P value (ANOVA) | Between-groups difference | |
---|---|---|---|---|---|
n = 55 | n = 55 | n = 55 | |||
gr. 1 | gr. 2 | gr. 3 | |||
Centre 1/2/3, n | 15/22/18 | 12/25/18 | 29/12/14 | 0.007 | Not tested |
Gender, F/M | 15/40 | 27/28 | 24/31 | 0.048 | Not tested |
Age, years | 71 ± 8 | 52 ± 11 | 60 ± 14 | <0.001 | 2<3<1 |
Height, cm | 167 ± 9 | 168 ± 10 | 167 ± 9 | 0.812 | |
History of smoking | 23/27/5 | 33/19/3 | 25/26/4 | 0.383 | |
(never/ex/current smokers) | |||||
FEV1, L | 2.17 ± 0.69 | 1.87 ± 0.65 | 2.18 ± 0.66 | 0.023 | Not tested |
FEV1, % predicted | 82 ± 21 | 59 ± 17 | 74 ± 15 | <0.001 | 2<3<1 |
FVC, L | 2.65 ± 0.68 | 2.66 ± 0.81 | 2.65 ± 0.89 | 0.994 | |
FVC, % predicted | 74 ± 19 | 66 ± 15 | 68 ± 15 | 0.053 | |
FEV1/FVC | 0.83 ± 0.07 | 0.71 ± 0.14 | 0.84 ± 0.07 | <0.001 | Not tested |
FEV1/FVC, % predicted | 109 ± 10 | 90 ± 17 | 108 ± 9 | <0.001 | 2<1-3 |
TLC, L | 4.50 ± 1.23 | 4.67 ± 1.20 | 4.39 ± 1.15 | 0.486 | |
TLC, % predicted | 75 ± 16 | 80 ± 17 | 75 ± 15 | 0.147 | |
FRC, L | 2.51 ± 0.69 | 2.65 ± 0.64 | 2.53 ± 0.70 | 0.582 | |
FRC, % predicted | 77 ± 18 | 87 ± 25 | 81 ± 20 | 0.038 | 1<2 |
RV, L | 1.76 ± 0.47 | 1.90 ± 0.69 | 1.67 ± 0.41 | 0.078 | |
RV, % predicted | 73 ± 18 | 97 ± 30 | 80 ± 22 | <0.001 | 1-3<2 |
RV/TLC | 0.40 ± 0.06 | 0.41 ± 0.09 | 0.39 ± 0.07 | 0.362 | |
VA, L | 3.66 ± 0.96 | 3.70 ± 0.92 | 3.66 ± 1.01 | 0.972 | |
KCO, mmol/min/kPa/L | 1.00 ± 0.23 | 1.20 ± 0.30 | 1.07 ± 0.30 | <0.001 | |
KCO, % predicted | 75 ± 17 | 77 ± 20 | 72 ± 19 | 0.507 | Not tested |
DLCO, mmol/min/kPa | 3.68 ± 1.37 | 4.45 ± 1.65 | 4.02 ± 1.66 | 0.040 | |
DLCO, % predicted |
48 ± 15
|
49 ± 14
|
47 ± 16
|
0.737
| Not tested |
VA/TLC | 0.81 ± 0.06 | 0.80 ± 0.08 | 0.83 ± 0.06 | 0.047 | 3>2 |
Characteristic | With SAOS | Without SAOS | P value |
---|---|---|---|
N = 20 | N = 128 | ||
IPF/sarcoidosis/CTD-ILD, n | 2/11/7 | 53/27/48 | 0.002 |
Gender, F/M | 14/6 | 45/83 | 0.006 |
Age, years | 54 ± 14 | 64 ± 13 | 0.003 |
Body mass index, kg.m−2 | 25.8 ± 5.3 | 26.2 ± 3.8 | 0.664 |
FEV1, % predicted | 55 ± 13 | 78 ± 17 | <0.001 |
FVC, % predicted | 54 ± 14 | 72 ± 16 | <0.001 |
FEV1/FVC, % predicted | 101 ± 13 | 107 ± 10 | 0.031 |
TLC, % predicted | 75 ± 17 | 76 ± 15 | 0.786 |
FRC, % predicted | 83 ± 23 | 78 ± 19 | 0.309 |
RV, % predicted | 98 ± 27 | 76 ± 19 | <0.001 |
RV/TLC | 0.48 ± 0.07 | 0.38 ± 0.06 | <0.001 |
VA/TLC | 0.77 ± 0.07 | 0.83 ± 0.05 | <0.001 |