Total

N (%)

Production = 30

N (%)

Administration = 22

N (%)

FEV1

Mean FEV1 ± SD

3.06 ± 0.52

3.11 ± 0.51

3.00 ± 0.53

Lost ≥ 5% FEV1

23 (44)

14 (47)

9 (41)

Lost ≥ 10% FEV1

17 (33)

10 (33)

7 (32)

Lost ≥ 20% FEV1

4 (7.6)

2 (6)

2 (9)

PEF

Mean PEF ± SD

7.62 ± 1.72

7.72 ± 1.62

7.5 ± 1.88

Lost ≥ 5% PEF

32 (61.5)

20 (66)

12 (54)

Lost ≥ 10% PEF

26 (50)

16 (53)

10 (45)

Lost ≥ 20% PEF

13 (25)

9 (30)

4 (18)

FEF2575

Mean FEF2575 ± SD *

3.16 ± 1.05

3.28 ± 1.22

3.00 ± 0.70

Lost ≥ 10% FEF2575

42 (80)

24 (80)

18 (82)

Lost ≥ 20% FEF2575

32 (61.5)

18 (60)

14 (63)

Lost ≥ 40% FEF2575

8 (15)

5 (17)

3 (14)

FVC

Mean FVC ± SD

3.77 ± 0.77

3.82 ± 0.69

3.69 ± 0.89

Lost ≥ 10% FVC

12 (23)

7 (58.3)

5 (41.7)

Lost ≥ 20% FVC

4 (7.6)

1 (3)

3 (13.6)

Troubles ventilators

Obstructive Syndrome

4 (7.6)

2 (6)

2 (9)

Suspicion of restrictive syndrome

3 (5.6)

1 (3)

2 (9)

Mixed Syndrome

1 (2)

0

1 (4.5)

Chest X-ray

Normal

44 (85)

25 (83)

19 (86)

Abnormal

8 (15)

5 (17)

3 (14)