Table 7. Correlations between COVID-19-related ICU admissions in the Paris region and temperatures measured from 19 days before ICU admission to the date of admission (study period: 31 March to 31 May 2020)–partial correlations adjusted on days since lockdown.

Day	Minimal observed temperature		Mean calculated temperature		Maximal observed temperature
	Correlation coefficient	p value	Correlation coefficient	p value	Correlation coefficient	p value
−19	0.130	0.3174	−0.169	0.1926	−0.042	0.7452
−18	0.045	0.7308	−0.275	0.0323	−0.147	0.2579
−17	−0.017	0.8965	−0.342	0.0069	−0.216	0.0946
−16	−0.132	0.3089	−0.364	0.0039	−0.282	0.0277
−15	−0.187	0.1480	−0.351	0.0056	−0.299	0.0190
−14	−0.204	0.1150	−0.338	0.0078	−0.298	0.0196
−13	−0.215	0.0964	−0.298	0.0196	−0.280	0.029
−12	−0.234	0.0698	−0.397	<0.0025	−0.348	0.0059
−11	−0.321	0.0115	−0.446	<0.0025	−0.419	<0.0025
−10	−0.379	0.0026	−0.456	<0.0025	−0.451	<0.0025
−9	−0.457	<0.0025	−0.441	<0.0025	−0.475	<0.0025
−8	−0.553	<0.0025	−0.504	<0.0025	−0.557	<0.0025
−7	−0.513	<0.0025	−0.413	<0.0025	−0.485	<0.0025
−6	−0.427	<0.0025	−0.343	0.0069	−0.403	<0.0025
−5	−0.327	0.0100	−0.280	0.0291	−0.319	0.0122
−4	−0.282	0.0275	−0.289	0.0239	−0.304	0.0172
−3	−0.276	0.0316	−0.255	0.0471	−0.281	0.0282
−2	−0.376	0.0029	−0.276	0.0316	−0.34	0.0074
−1	−0.367	0.0036	−0.222	0.0858	−0.305	0.0170
0	−0.256	0.0467	−0.102	0.4335	−0.182	0.1613

ICU, intensive care unit.