Background
Findings
Subject characteristics
UPN | Age (years) | Gender | Ethnicitya
| Treatmentb
| CT | Spirometry | IOS |
---|---|---|---|---|---|---|---|
1-ADA26 | 3 | F | C | 1 | ND | - | + |
2-ADA41 | 5 | F | C | 2 | ND | - | + |
3-ADA14 | 8 | F | C | 2 | Normal | + | + |
4-ADA16 | 9 | M | H | 1 | dGGO, MA, B | - | + |
5-ADA18 | 10 | F | A | 2 | ND | + | + |
6-ADA5 | 12 | M | AA | 1 | MA | + | + |
7-ADA46 | 14 | F | C | 2 | dGGO, PC, MA, N | - | + |
8-ADA17 | 16 | F | AA | 2 | MA | - | + |
9-ADA3 | 17 | M | C | 2 | dGGO, PC | + | + |
10-ADA47 | 18 | M | AA | 2 | ND | + | + |
Pulmonary function measurements
Characteristics | IOS (n = 10) | Spirometry able (n = 5) | IOS and not Spirometry (n = 5) | Controls (n = 82) |
a
P value (t-test) |
---|---|---|---|---|---|
Age mean (SD) | 11.2 (5.1) | 13.0 (4.6) | 9.4 (5.3) | 9.22 (3.21) | 0.090 |
Female Gender, n (%) | 6 (60) | 2 (40) | 4 (80) | 34 (41) | 0.332 |
Height (cm) | 135.9 (25.7) | 146.3 (27.2) | 125.5 (21.9) | 136.22 (17.16) | 0.957 |
Weight (kg) | 44.3 (26.8) | 54.6 (30.5) | 33.9 (20.4) | 39.64 (28.68) | 0.630 |
Baseline Measurements | ||||||
---|---|---|---|---|---|---|
Mean (SD) |
P value (T-test) |
aMean % Reference (SD) |
P value (t-test) | |||
Spirometry | Patients n = 5 | Controls n = 82 | Patients n = 5 | Controls n = 82 | ||
FEV1 (L) | 2.2 (1.0) | 1.85 (0.7) | 0.354 | 86.0 (8.2) | 90.8 (22.4) | 0.636 |
FVC (L) | 2.5 (1.2) | 2.28 (0.9) | 0.576 | 89.8 (11.8) | 100.7 (17.6) | 0.178 |
FEV1/FVC (%) | 86.8 (3.4) | 82.0 (9.9) | 0.282 | |||
PEF (L/sec) | 6.2 (3.6) | 4.0 (1.6) |
0.007
| 104.8 (25.5) | 95.1(25.8) | 0.418 |
Impulse oscillometry | Patients n = 10 | Controls n = 82 | Patients n = 10 | Controls n = 82 | ||
R5 (cmH20/L/sec) | 8.4 (3.3) | 7.8 (2.3) | 0.488 | 122.3 (33.3) | 103.4 (24.7) |
0.032
|
R10 (cmH20/L/sec) | 6.9 (2.5) | 6.4 (1.7) | 0.451 | 112.3 (33.9) | 95.9 (22.4) |
0.044
|
R20 (cmH20/L/sec) | 5.7 (1.9) | 5.4 (1.3) | 0.592 | 98.0 (27.0) | 93.8 (22.5) | 0.592 |
R5-R20 (%)Δ
| 30.6 (9.4) | 29.6 (11.0) | 0.780 | |||
X5 (cmH20/L/sec) | −3.6 (1.8) | −3.0 (1.3) | 0.231 | 182 (78.7) | 118.7 (50) |
0.001
|
AX (cmH20/L) | 27.5 (21.6) | 22.4 (14.6) | 0.323 | |||
Fres Hz | 22.2 (6.3) | 20.5 (4.4) | 0.280 | |||
X5ref-X5 (cmH20/L/sec) | 1.3 (1.2) | 0.35 (1.3) |
0.041
|
Bronchodilator responsea
| |||
---|---|---|---|
Mean % change (SD) |
P value (T-test) | ||
Spirometry | Patients n = 4 | Controls n = 82 | |
ΔFEV1 | 3.3 (4.7) | 5.5 (9.7) | 0.607 |
ΔFVC | 1.3 (6.5) | 2.7 (7.0) | 0.341 |
ΔFEV1 / FVC | 2.5 (4.6) | 4.3 (8.1) | 0.672 |
ΔPEF | −4.5 (13.7) | 6.5 (15.5) | 0.164 |
Impulse oscillometry | Patients n = 10 | Controls n = 82 | |
ΔR5 | −15.3 (15.9) | −14.6 (12.0) | 0.438 |
ΔR10 | −15.4 (12.5) | −14.5 (10.7) | 0.809 |
ΔR20 | −12.6 (11.1) | −9.6 (12.7) | 0.483 |
ΔR5-R20 | −8.5 (28.7) | −11.7 (29.8) | 0.745 |
ΔX5 | −18.2 (31.9) | −14.7 (24.0) | 0.673 |
ΔAX | −21.6 (29.7) | −33.3(22.6) | 0.139 |
ΔFres | −13.4 (15.8) | −13.1 (20.9) | 0.961 |