Table 1.

Descriptive statistics for merged dataset based on four routine general practice care datasets together, stratified by lung cancer diagnosis

Characteristic	Patients, n (%)
	No cancer, 523 140 (99.5)	Cancer, 2386 (0.5)	Total, 525 526 (100)
Gender, female, n (%)	274 908 (52.5)	1100 (46.1)	276 008 (52.5)
Age, years, n (%)
40–59	283 305 (54.2)	486 (20.4)	283 791 (54.0)
60–69	111 653 (21.3)	814 (34.1)	112 467 (21.4)
70–79	77 642 (14.8)	762 (31.9)	78 404 (14.9)
≥80	50 540 (9.7)	324 (13.6)	50 864 (9.7)