Table 3.
Follow-up parameters associated with DLCO alteration at 3 and 12 months
3 months | 12 months | |||||
---|---|---|---|---|---|---|
Normal DLCO N = 49 |
Altered DLCO N = 36 |
p-value | Normal DLCO N = 65 |
Altered DLCO N = 8 |
p-value | |
6MWT | ||||||
Number evaluated | 46 (93.9%) | 33 (91.7%) | 0.6948 | 59 (90.8%) | 7 (87.5%) | 0.5727 |
Walked distance (m) | 510 (450–570) | 443 (370–525) | 0.0199 | 540 (500–612) | 545 (420–590) | 0.4620 |
Walked distance < theoretical distance (%) | 23 (50.0%) | 27 (81.8%) | 0.0038 | 15 (25.4%) | 3 (42.9%) | 0.3800 |
Hospital Anxiety and Depression Scale | ||||||
Anxiety ≥ 11 | 6 (12.2%) | 1 (2.8%) | 0.2302 | 7 (10.8%) | 0 (0.0%) | 1 |
Depression ≥ 11 | 2 (4.1%) | 1 (2.8%) | 1 | 3 (4.6%) | 0 (0.0%) | 1 |
MOS-SF36 | ||||||
Physical functioning | 80 (60–90) | 65 (27.5–85) | 0.0651 | 75 (65–90) | 72.5 (60–82.5) | 0.4695 |
Role-physical | 50 (0–100) | 25 (0–87.5) | 0.3489 | 100 (25–100) | 75 (0–100) | 0.3428 |
Bodily pain | 62 (42–84) | 72 (50.5–84) | 0.6144 | 62 (41–84) | 63 (57–87) | 0.5058 |
Mental health | 80 (60–92) | 76 (64–90) | 0.6822 | 76 (60–88) | 86 (74–90) | 0.3928 |
Role-emotional | 66.7 (0–100) | 100 (0–100) | 0.3206 | 100 (33.3–100) | 83.3 (33.3–100) | 0.9074 |
Social functioning | 75 (50–100) | 68.8 (43.8–100) | 0.5403 | 75 (50–100) | 87.5 (81.3–100) | 0.2072 |
Vitality | 55 (45–70) | 55 (47.5–72) | 1 | 60 (45–75) | 57.5 (52.5–72.5) | 0.8253 |
General health | 67 (57.82) | 63.5 (54.5–72) | 0.3808 | 67 (52–82) | 58.5 (52–67) | 0.5428 |
CT scan | ||||||
Missing data | 5 | 0 | 9 | 0 | ||
Abnormal scan | 41 (93.2%) | 36 (100%) | 0.2481 | 56 (88.9%) | 8 (100%) | 1 |
Reticulations | 37 (90.2%) | 32 (88.9%) | 0.8458 | 52 (92.9%) | 6 (75.0%) | 0.5928 |
Traction bronchiectasis | 22 (53.7%) | 31 (86.1%) | 0.0029 | 38 (73.1%) | 6 (75.0%) | 1 |
Honeycombing | 2 (4.9%) | 4 (11.1%) | 0.4099 | 3 (5.8%) | 0 (0.0%) | 1 |
Ground-glass opacity | 29 (70.7%) | 27 (75.0%) | 0.6748 | 30 (57.7%) | 2 (25.0%) | 0.1300 |
Emphysema | 4 (9.8%) | 10 (27.8%) | 0.0408 | 6 (11.5%) | 6 (75.0%) | 0.0004 |
Values are presented as medians (interquartile ranges) or number of patients (percentages)
6MWT six-minute-walk test, MOS-SF36 medical outcomes study short form 36-item questionnaire, CT scan computerized tomography scan