Table 1.

COVID-19 outcomes according to pre-existing schizophrenia.

References	Article type	Study population	Prevalence of schizophrenia	Outcome	Risk
Fond et al. (13)	Cohort study	50,750	1.60%	In-hospital mortality	1.30 (1.08–1.56)*
Fond et al. (13)	Cohort study	50,750	1.60%	ICU admission	1.58 (1.09–2.3)*
Lee et al. (14)	Cohort study	7,160	NA	SARS-CoV-2 infection	1.00 (0.93–1.08)*
Lee et al. (14)	Cohort Study	7160	NA	Composite	2.27 (1.50–3.41)*
Wang et al (15).	Retrospective	61,783,950	NA	SARS-CoV-2 infection	7.34 (6.65 −8.10)*
Ji et al. (16)	Retrospective	219,961	3.6%	SARS-CoV-2 infection	1.6–1.7 (ORR)
Nemani et al. (17)	Retrospective	7,348	1%**	In-hospital mortality	2.67 (1.48–4.8)*
Taquet et al. (18)	Retrospective	62,354	2%	SARS-CoV-2 infection	1.17 (1.02–1.33)*

Composite, Death or ICU admission or invasive ventilation; ICU, Intensive care unit; NA, Not given;

^*Odds ratio (95% CI);

^**Schizophrenia spectrum disorder; ORR, Odds ratio range (95% CI not given).