FEV1/FVC <0.7 (GOLD) | FEV1/FVC <1.645 SD below predicted (ATS/ERS) | ||||
---|---|---|---|---|---|
Value | 95% CI | Value | 95% CI | ||
Sensitivity | Non-smokers | 0.044 | −0.004–0.092 | 0.044 | −0.032–0.121 |
Ex-smokers | 0.042 | 0–0.084 | 0.094 | 0.003–0.185 | |
Current smokers | 0.052 | 0–0.104 | 0.067 | −0.014–0.147 | |
Specificity | Non-smokers | 0.981 | 0.973–0.989 | 0.980 | 0.971–0.988 |
Former smokers | 0.979 | 0.968–0.989 | 0.980 | 0.970–0.990 | |
Current smokers | 0.977 | 0.960–0.993 | 0.975 | 0.959–0.992 | |
PPV | Non-smokers | 0.128 | −0.006–0.262 | 0.051 | −0.037–0.14 |
Former smokers | 0.182 | 0.014–0.35 | 0.182 | 0.014–0.35 | |
Current smokers | 0.333 | 0.056–0.611 | 0.222 | −0.023–0.467 | |
NPV | Non-smokers | 0.943 | 0.929–0.956 | 0.976 | 0.967–0.985 |
Former smokers | 0.901 | 0.881–0.921 | 0.962 | 0.949–0.975 | |
Current smokers | 0.821 | 0.783–0.86 | 0.908 | 0.879–0.937 |