Table 1.

Datasets and demographic characteristics of patients with COVID-19 pneumonia and other pneumonia.

	Training set (n = 395)		Validation set (n = 50)		Testing set (n = 50)
Overall	COVID-19	No COVID-19	COVID-19	No COVID-19	COVID-19	No COVID-19
Age
< 60 years	203(16 - 59)	64 (3 - 59)	26 (1 - 58)	8 (17 - 48)	19 (22 - 56)	8 (7 - 58)
≥ 60 years	91 (60 - 87)	37 (60 - 89)	11 (61 - 78)	5 (62 - 84)	18 (60 - 80)	5 (60 - 83)
Gender
Male	140	70	17	4	18	6
Female	154	31	20	9	19	7
Renmin Hospital of Wuhan University, Wuhan, China
Age
< 60 years	151 (23 - 59)	19 (18 - 59)	22 (29 - 58)	4 (17 - 43)	18 (22 - 56)	1 (7 - 7)
≥ 60 years	54 (60 - 87)	8 (60 - 87)	6 (64 - 72)	2 (65 - 84)	14 (61 - 80)	1 (63 - 63)
Gender
Male	91	19	13	0	15	1
Female	114	8	15	6	17	1
The First Hospital of China Medical University, Shenyang, China
Age
< 60 years	52 (16 - 59)	20 (19 - 59)	4 (1 - 58)	1 (48 - 48)	1 (22 - 22)	5 (24 - 58)
≥ 60 years	37 (60 - 85)	16 (60 - 84)	5 (61 - 78)	1 (75 - 75)	4 (60 - 66)	3 (62 - 83)
Gender
Male	49	24	4	1	3	3
Female	40	12	5	1	2	5
Beijing Youan Hospital, Beijing, China
Age
< 60 years		25 (3 - 59)		3 (17 - 47)		2 (37 - 56)
≥ 60 years		13 (60 - 89)		2 (62 - 65)		1 (60-60)
Gender
Male		27		3		2
Female		11		2		1

Categorical data of age were presented as counts (range).