| |
Quartiles
|
FEV1
|
95%CI
|
FVC
|
95%CI
|
|---|
|
Level at entry into program (ml)
|
Q1
|
0
| |
0
| |
| |
Q2
|
21.4
|
-3.2,46.1
|
0.06
|
-31.4,31.6
|
| |
Q3
|
47.8
|
19.1,76.4
|
30.6
|
-5.8,67.0
|
| |
Q4
|
67.3
|
38.0,96.6
|
59.5
|
22.6,96.5
|
|
Annual change (ml/year)
|
Q1
|
0
|
0
|
0
|
0
|
| |
Q2
|
-1.1
|
-6.5,4.3
|
3.04
|
-3.8-9.9
|
| |
Q3
|
-6.0
|
-12.3,0.3
|
-6.6
|
-14.6-1.5
|
| |
Q4
|
-9.3
|
-16.0,-2.7
|
-8.3
|
-16.8-0.1
|
- Adjusted for age, sex, height, asbestos exposure and smoking history.
- Quartile 1: Carotene concentrations lower than 0.45 μmol/L; Quartile 2: concentrations more than 0.45 and less than 0.8 μmol/L; quartile 3: concentrations more than 0.8 and less than 1.3; and quartile 4: concentrations equal or greater than 1.3 μmol/L.
