The Novel Coronavirus Disease (COVID-19): A PRISMA Systematic Review and Meta-Analysis of Clinical and Paraclinical Characteristics

Table 3

Demographical characteristics and comorbidities of patients in the included studies.

Row	Author	Date	Sample size	Mean age (y. old)	Age range	Sex (male)	Diabetes	Hypertension	Cardiovascular disease	COPD	Malignancies	Digestive system disease
1	Fang et al.	Feb 19	51	45	39-55	29	—	—	—	—	—	—
2	Zhao et al.	Feb 18	101	44/44	17-75	56	—	—	15/8	4/9	—	—
3	Shi et al.	Feb 24	81	49/5	39-61	42	12	15	10	11	5	9
4	Pan et al.	Feb 13	63	44/9	31-62	33	—	—	—	—	—	—
5	Xu et al.	Feb 28	90	50	18-86	39	6	19	3	1	2	2
6	Zhang et al.	Mar 25	17	48/6	23-74	8	—	11/7	5	11	—	11/7
7	Chen et al.	Jan 30	99	55/5	21-82	67	—	—	40	1	1	11
8	Huang	Feb 21	41	49	41-58	30	20	15	15	2	2	2
9	Wu et al.	Feb 29	80	46	18-65	39	—	—	31/25	1/25	1/25	3/75
10	Guan et al.	Feb 28	1096	49	35-58	637	7/4	15	3/9	1/1	0/9	2/1
11	Wang et al.	Feb 29	138	56	42-68	75	10/1	31/2	14/5	2/9	7/2	2/9
12	Yang et al.	Feb 26	149	45/1	30-68	81	—	—	18/79	0/67	1/34	5/37
13	Xu et al.	Feb 25	50	43	3-85	29	—	—	—	—	—	—
14	Wu et al.	Feb 29	80	44	30-52	42	5	5	1	4	—	—
15	Li et al.	Feb 29	83	45/5	25-64	44	7/8	6	1/2	6	—	—
16	Xia et al.	Mar 05	20	1	0-7	13	—	—	—	—	—	—
17	Zhang et al.	Feb 19	135	57	25-87	71	12	30	12/1	2/8	—	10/7
18	Zhou et al.	Feb 16	62	52/8	30-77	39	6	6	1	—	—	—
19	Wang et al.	Feb 24	52	—	—	—	—	—	—	—	—	—
20	Yoon et al.	Apr 21	9	54	—	—	—	—	—	—	—	—
21	Qian et al.	Feb 21	91	50	36-57	37	8/79	16/48	3/3	—	—	—
22	Liu et al.		109	55	43-66	59	11	33	6/4	3/7	—	—
23	Chen et al.		21	56	—	17	14/3	23/8	—	—	—	—
24	Young et al.	Feb 24	18	47	31-73	9	—	—	—	—	—	—
25	Fan et al.	Mar 05	148	50	36-64	73	—	—	—	—	—	—
26	Xu et al.	Feb 19	62	41	32-52	36	2	8	2	2	—	11
27	Deng and Peng	Feb 14	41	55/5	25-89		42/3	53/8	19/2	19/2	—	—
28	Huang et al.	Feb 24	34	56/24	26-88	14	11/8	23/5	17/6	2/9	8/8	2/9
29	Kui et al.	Feb 07	137	57	20-83	61	9/5	10/2	7/3	1/5	1/5	—
30	Tian et al.	Feb 27	262	47/5	1-94	127	—	—	—	—	—	—