Table 1 Characteristics of the study population
From: The performance of NLST screening criteria in Asian lung cancer patients
Total patients | N = 116 (100 %) | Smoking status | |
Male | 77 (66.38 %) | Never smokers | 41 |
Female | 39 (33.62 %) | Male | 5 |
Ethnicity | Female | 36 | |
Chinese | 106 (91.38 %) | ||
Indian subcontinenta | 10 (8.62 %) | ||
Age | Ever smokers | 75 | |
Age range | 33–92 years | Heavy smokers | |
Median age | 66 years | Male | 54 |
Age < 55 years | 18 | Female | 0 |
Age 55–74 years | 69 | Light smokers | |
Age > 74 years | 29 | Male | 18 |
Female | 3 | ||
Histology | Stages | ||
Adenocarcinoma | 74 (63.8 %) | Stages I and II | 29 |
Squamous cell | 24 (20.7 %) | Stages III and IV | 85 |
Small cell | 8 (6.9 %) | Unknown | 2 |
Other rare variants | 10 (8.6 %) | ||
EGFR status | ALK mutation status | ||
Positive | 24/53 | Positive | 0/33 |
Male | 8/29 | Negative | 33/33 |
Female | 16/24 |