Diagnostic value of chest computed tomography imaging for COVID-19 based on reverse transcription-polymerase chain reaction: a meta-analysis

Table 1 Basic characteristics of relevant included literatures

No	Country	Research time	Published year	Age, years	Gender M/F***	TP*	FP*	FN*	TN*	References
1	China	6 Jan–6 Feb, 2020	2020	51 ± 15	467/547	580	308	21	105	[21]
2	Brazil	Feb–Mar, 2020	2020	19–88	NA**	16	10	9	56	[22]
3	Italy	27 Feb–4 Jul, 2020	2020	59 ± 15.8	288/408	520	61	31	84	[23]
4	Italy	4 Mar–19 Mar, 2020	2020	57 ± 17	83/75	60	42	2	54	[24]
5	China	25 Jan–2 Feb, 2020	2020	51.3 ± 17.1	290/297	423	71	10	83	[25]
6	French	3 Mar–4 Apr, 2020	2020	66.4 ± 18.6	363/331	259	49	28	358	[26]
7	Italy	3 Mar–9 Apr, 2020	2020	62.4 ± 18.2	424/349	419	66	43	245	[27]
8	Netherlands	13 Mar–24 Mar, 2020	2020	66 (55–76)	113/80	74	35	9	75	[28]
9	Brazil	1 Mar–14 Apr, 2020	2020	57.9 ± 18.0	88/71	76	4	10	69	[29]
10	France	1 Mar–28 Mar, 2020	2020	36–75	NA**	105	8	24	77	[30]
11	Netherlands	27 Mar–20 Apr, 2020	2020	NA**	157/162	120	22	13	164	[31]
12	China	13 Jan–31 Jan, 2020	2021	36.9 ± 14.5	113/67	30	15	4	131	[32]
13	China	20 Jan–10 Feb, 2020	2020	50.7 ± 17.1	49/71	88	16	3	13	[33]
14	United Kingdom	23 Mar–15 May, 2020	2020	NA**	NA**	40	37	29	101	[34]
15	France	6 Mar–22 Apr, 2020	2020	NA**	NA**	919	148	172	955	[35]
16	India	15 Feb–30 Jun, 2020	2021	62(44–78)	214/134	206	37	11	94	[36]
17	France	18 Mar–24 Apr, 2020	2021	69 ± 20	257/230	69	60	10	348	[37]
18	China	20 Jan–5 Mar, 2020	2020	21–83	87/77	73	70	3	18	[38]
19	China	1 Feb–7 Feb, 2020	2020	59.4 ± 0.9	105/137	132	56	15	39	[39]
20	China	20 Jan–15 Feb, 2020	2020	8–82	96/68	75	55	4	30	[40]

*TP true positive, FP false positive, FN false negative, TN true negative; **NA not available; ***M = male, F = female

ISSN: 2049-9957