Table 4.
The results of lung cancer screening according to the Chinese screening guidelines
| Parameter | Number of lung cancer (n = 142) | |
|---|---|---|
| Met the inclusion criteria, n(%) | Not met the inclusion criteria, n(%) | |
| Age at inclusion (years) | ||
| A. 50 ~ 75 | 76 (53.5) | 66 (46.5) |
| Smoking volume (pack year)a | ||
| B. ≥ 20 | 18 (12.7) | 124 (87.3) |
| History of cancerb | ||
| C. Yes | 26 (18.3) | 116 (81.7) |
| Chronic lung diseasec | ||
| D. Yes | 45 (14.7) | 145 (85.3) |
| A(B or C or D) | 36 (25.4) | 106 (74.7) |
aThis includes current smoking and quitting smoking less than 15 years. bThis includes a history of cancer or a family history of lung cancer. cThis includes the chronic obstructive pulmonary disease, diffuse pulmonary fibrosis, history of pulmonary tuberculosis and other respiratory diseases