Table 1.

Comparison of clinical data (n = 100).

Index	Men and women	Age	Esophageal cancer	Lung cancer	Have a history of smoking
Control group	74/26	57.4	71	29	64
Test group	76/26	58.2	74	26	61
χ2/t	1.4328	0.4101	0.1524	0.1832	0.1542
P	0.2314	0.6841	0.1578	0.1754	0.7254