Test | Lifelong non-smokers(n= 74) | Ex-smokers + current smokers (n= 73) | P-value |
---|---|---|---|
Agea (yr) | 47.8 (11.8) | 51.1 (10.1) | 0.07c |
Disease durationb (yr) | 21.5 (7 to 55) | 23 (8 to 47) | 0.64d |
Self reported pulmonary disease (yes/no) n (%) | 6 (8.1) | 10 (13.9) | 0.53e |
FEV1 (liters)a | 3.2 (1.0) | 3.0 (0.9) | 0.18c |
FEV1 %a | 89.9 (15.7) | 89.6 (16.5) | 0.90c |
FVC (liters)a | 4.1 (1.2) | 3.9 (1.1) | 0.45c |
FVC %a | 95.7 (17.4) | 98.6 (18.8) | 0.33c |
PEF (liters/minute)a | 469.3 (128.5) | 458.8 (114.7) | 0.60c |
PEF %a | 93.6 (18.0) | 96.7 (17.1) | 0.28c |
FEV1/FVC %a | 77.5 (7.4) | 75.4 (7.6) | 0.09c |
ASDAS | 2.6 (1.0) | 3.0 (0.9) | 0.004c |
BASDAIa | 3.8 (2.0) | 4.5 (2.0) | 0.040c |
ESRb | 12 (1 to 90) | 19 (2 to 67) | 0.047d |
CRPb | 3 (1 to 57) | 5 (1 to 52) | 0.018d |
BASFIb | 1.8 (0 to 10) | 2.3 (0 to 8.5) | 0.66d |
BASMIa | 3.3 (1.8) | 3.2 (1.8) | 0.74 |
Chest expansion (cm)a | 4.8 (2.3) | 3.9 (2.0) | 0.019c |
Lumbar flexion (l-Schober)a | 4.0 (1.7) | 4.0 (1.7) | 0.90c |
Lumbar lateral flexiona | 12.9 (6.0) | 13.6 (6.3) | 0.53c |
Tragus to wall distanceb | 13.1 (7.8 to 38.0) | 12.0 (8.0 to 43.5) | 0.33d |
VO2maxa | 40.9 (8.4) | 38.0 (7.4) | 0.037c |
Anti-TNF-α-med, n (%) | 23 (31) | 9 (13) | 0.007 |
Respiratory pattern | |||
Normal (n) (%) | 53 (71.6) | 52 (71.2) | 1.00e |
Restrictive pattern (n) (%) | 15 (20.3) | 12 (16.4) | 0.67e |
Obstructive pattern (n) (%) | 6 (8.1) | 9 (12.3) | 0.43e |