From: Value of serum and induced sputum surfactant protein-D in chronic obstructive pulmonary disease
Group 1 (control subjects) | Group 2 (stage 1 and 2 COPD patients) | Group 3 (stage 3 and 4 COPD patients) | P | |
---|---|---|---|---|
(n = 20) | (n = 20) | (n = 20) | ||
Mean Age (year) | 44.85 ± 5.80 | 60.35 ± 9.40 | 63.70 ± 8.60 | p = 0.001 |
Gender (F/M) | 8/12 | 0/20 | 3/17 | p = 0.004 |
Mean BMI (kg/m 2 ) | 33.36 ± 5.70 | 32.8 ± 6.70 | 29.6 ± 5.90 | p = 0.148 |
Smoking status | ||||
Active smokers | 16 (80%) | 10 (50%) | 2 (10%) | p = 0.001 |
Ex-smokers | 4 (20%) | 10 (50%) | 18 (90%) | |
Cigarette pack years | 23 ± 13 (20) | 51 ± 28 (45) | 51 ± 33(45) | p = 0.001 |
Inhaled steroid use | 0 | 6 | 18 | p = 0.001 |
Mean FVC (%) | 131.5 ± 15.1 | 101.7 ± 19 | 76.7 ± 16.8 | p = 0.001 |
Mean FEV 1 (%) | 123 ± 14 | 75.7 ± 16.4 | 39.7 ± 7.24 | p = 0.001 |
Mean FEV 1 /FVC (%) | 78.9 ± 4.8 | 59.75 ± 10.8 | 43.3 ± 11.3 | p = 0.001 |
Mean FEF 25-75 (%) | 94.5 ± 23.4 | 33.5 ± 18.6 | 12.5 ± 4.54 | p = 0.001 |
Mean VC (%) | 130 ± 16.9 | 94.5 ± 19 | 80.8 ± 19 | p = 0.001 |
Mean RV (%) | 120 ± 29 | 156 ± 37 | 150 ± 77 | p = 0.001 |
Mean SpO2 (%) | 96.6 ± 1.1 | 94 ± 1.9 | 92.1 ± 2.1 | p = 0.001 |
Mean CRP level (mg/L) | 2.52 ± 2.4 | 8.3 ± 10 | 8.1 ± 9.49 | p = 0.014 |
Mean Hb (g/dl) | 14.21 ± 1.55 | 14.7 ± 1.43 | 14.6 ± 14 | p = 0.282 |
Mean WBC (/μL) | 7.449 ± 1.704 | 7.291 ± 1.084 | 8.402 ± 1.694 | p = 0.102 |
Mean PMNL (/μL) | 4.272 ± 1.166 | 4.310 ± 956 | 5.519 ± 1.205 | p = 0.003 |