Table 2. The frequency of mental disorders in patients with esophageal cancer (N=8,879).

Age (year)	No. of patients (%)
	Esophageal cancer	Total mental disorders	Each mental disorder
			Substance abuse	Depressive disorder	Anxiety disorder	Stress/adjustment disorder
19–39	25	2 (8.0)	1 (4.0)	1 (4.0)	0	0
40–49	367	33 (9.0)	15 (4.1)	7 (1.9)	8 (2.2)	3 (0.1)
50–59	2,072	155 (7.5)	51 (2.5)	54 (2.6)	41 (2.0)	9 (0.4)
60–69	3,212	259 (8.1)	50 (1.6)	85 (2.6)	93 (2.9)	31 (0.1)
70–99	3,203	220 (6.9)	13 (0.4)	90 (2.8)	95 (3.0)	22 (0.7)
Total	8,879	669 (7.5)	130 (1.5)	237 (2.7)	237 (2.7)	65 (0.7)