Table 3.

Age- and sex-standardized incidence ratio of hepatocellular carcinoma of patients with psychiatric illness

Psychiatric illnesses	Standardized incidence ratioa	95% CI	P value
Any psychiatric illnesses	1.42	1.28–1.57	< 0.001
Mood disorders	1.16	1.00–1.34	0.047
Psychotic disorders	1.39	1.16–1.65	< 0.001
Drug-induced mental disorders	3.18	2.41–4.11	< 0.001
Alcohol-induced mental disorders	2.98	2.30–3.81	< 0.001
Other psychiatric illnesses	1.13	0.85–1.48	0.355

Patients might have more than one type of psychiatric illness

^aAge- and sex-standardized incidence ratio compared patients with psychiatric illness with the general Hong Kong population

CI confidence interval