Table 4. Risk of mortality in the study population by comorbidities.

Classification of 298 diseases	Comorbidities(−)		Comorbidities(+)		Risk of mortality
	Confirmed	Mortality	Confirmed	Mortality	adjusted OR (95% CI)a
Sepsis	8,988	125	30	5	3.60 (1.21–10.68)
Malignant neoplasm of prostate	8,999	124	19	6	2.88 (1.01–8.22)
Hemorrhagic conditions and other diseases of blood and bloodforming organs	8,953	123	65	7	3.88 (1.52–9.88)
Diabetes mellitus	8,167	72	851	58	1.82 (1.25–2.67)
Other endocrine, nutritional and metabolic disorders	7,452	65	1,566	65	1.47 (1.01–2.14)
Schizophrenia schizotypal and delusional disorders	8,797	120	221	10	2.25 (1.06–4.77)
Nerve, nerve root and plexus disorders	8,339	93	679	37	1.72 (1.13–2.64)
Cataract and other disorders of lens	8,377	63	641	67	1.68 (1.11–2.55)
Acute myocardial infarction	8,963	122	55	8	2.38 (1.03–5.49)
Other ischemic heart diseases	8,680	98	338	32	1.71 (1.09–2.66)
Heart failure	8,894	105	124	25	3.17 (1.88–5.34)
Acute laryngitis and tracheitis	7,175	88	1,843	42	1.71 (1.15–2.56)
Influenza	8,750	117	268	13	2.25 (1.17–4.34)
Pneumonia	7,969	83	1,049	47	2.29 (1.53–3.44)
Chronic disease of tonsils and adenoids	8,785	125	233	5	3.26 (1.15–9.24)
Arthrosis	7,205	43	1,813	87	1.59 (1.05–2.43)
Renal tubulo-interstitial diseases	8,756	114	262	16	2.48 (1.36–4.53)
Renal failure	8,956	120	62	10	3.07 (1.43–6.61)
Other diseases of the urinary system	8,162	86	856	44	1.55 (1.04–2.32)
Fracture of neck, thorax or pelvis	8,590	94	428	36	1.66 (1.07–2.59)
Essential hypertension	7,492	46	1,526	84	1.32 (0.88–1.99)

Data are presented as number.

OR = odds ratio, CI = confidence interval.

^aAdjusted OR and 95% CI for sex, age, type of distiricts, high epidemic region and socio-economic status as shown in Tables 1 and 3.