Table 5. 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).

Day	Minimal observed temperature		Mean calculated temperature		Maximal observed temperature
	Correlation coefficient	p value	Correlation coefficient	p value	Correlation coefficient	p value
−19	−0.376	0.00259	−0.492	<0.0025	−0.528	<0.0025
−18	−0.399	<0.0025	−0.513	<0.0025	−0.547	<0.0025
−17	−0.383	<0.0025	−0.503	<0.0025	−0.543	<0.0025
−16	−0.406	<0.0025	−0.504	<0.0025	−0.528	<0.0025
−15	−0.417	<0.0025	−0.504	<0.0025	−0.519	<0.0025
−14	−0.421	<0.0025	−0.491	<0.0025	−0.496	<0.0025
−13	−0.443	<0.0025	−0.493	<0.0025	−0.483	<0.0025
−12	−0.481	<0.0025	−0.547	<0.0025	−0.546	<0.0025
−11	−0.543	<0.0025	−0.609	<0.0025	−0.605	<0.0025
−10	−0.607	<0.0025	−0.651	<0.0025	−0.630	<0.0025
−9	−0.658	<0.0025	−0.663	<0.0025	−0.615	<0.0025
−8	−0.695	<0.0025	−0.683	<0.0025	−0.617	<0.0025
−7	−0.657	<0.0025	−0.629	<0.0025	−0.553	<0.0025
−6	−0.603	<0.0025	−0.581	<0.0025	−0.513	<0.0025
−5	−0.549	<0.0025	−0.536	<0.0025	−0.479	<0.0025
−4	−0.525	<0.0025	−0.522	<0.0025	−0.474	<0.0025
−3	−0.509	<0.0025	−0.501	<0.0025	−0.448	<0.0025
−2	−0.550	<0.0025	−0.527	<0.0025	−0.461	<0.0025
−1	−0.536	<0.0025	−0.496	<0.0025	−0.417	<0.0025
0	−0.467	<0.0025	−0.416	<0.0025	−0.332	0.00841

ICU, intensive care unit.