Prevalence and Impact of Preexisting Comorbidities on Overall Clinical Outcomes of Hospitalized COVID-19 Patients

Table 6

Overall survival, length of hospital stay, and severity of the disease in COVID-19 patients with multiple comorbidities.

Number of comorbidities	Total (N)	Survivors (, % within total)		Nonsurvivors (, % within total)	value	Length of hospital stay (in days)	95% CI	Mild (, % within total)	Moderate (, % within total)	Severe (, % within total)
0	151	137 (90.7)		14 (9.3)	≤0.001		5.55-7.40	86 (57.0)	32 (21.2)	33^a (21.8)
1	84	66 (78.6)		18 (21.4)	0.011		7.68-10.18	19 (22.6)	27 (32.1)	38^b (45.2)
2	82	56 (68.3)		26 (31.7)	≤0.001		7.50-10.04	14 (17.1)	26 (31.7)	42^bc (51.2)
3	41	22 (53.7)		19 (46.3)	≤0.001		7.87-13.03	3 (7.3)	14 (34.1)	24^bc (58.5)
4	11	2 (18.2)		9 (81.8)	≤0.001		5.08-20.38	0 (0.0)	2 (18.2)	9^c (81.8)
value						≤0.001				≤0.001