Emergency teleradiological activity is an epidemiological estimator and predictor of the covid-19 pandemic in mainland France

Insights into Imaging

Table 1 Characteristics of the teleradiological cohort per region

Regions	No. of CT-scans in COVID-19 workflow^a	No. of partner emergency centres^b
Auvergne-Rhône-Alpes	8241/46,049 (17.9)	29/65 (44.6)
Bourgogne Franche Comté	3808/14,639 (26)	5/65 (7.7)
Bretagne	541/4 659 (11.6)	6/65 (9.2)
Grand Est	726/3744 (19.4)	3/65 (4.6)
Hauts de France	657/3460 (19)	2/65 (3.1)
Ile de France	361/2184 (16.5)	3/65 (4.6)
Nouvelle Aquitaine	1815/9973 (18.2)	9/65 (13.8)
Occitanie	1434/8206 (17.5)	6/65 (9.2)
Provence-Alpes-Côte d'Azur	1550/7194 (21.5)	5/65 (7.7)

No. number
^aData are number of CT-scans performed in the dedicated COVID-19 workflow divided by the total number of CT-scans performed during the same study period (from 2020–03-23 to 2020–11-29) in the partner emergency centres from this region
^bIn total, 65 metropolitan partner emergency centres were included in the study on November 2020