Table 2.

Statistical significance values resulting from the parametric (means t-test) and non-parametric (Tukey) tests of the airborne distributions of SARS-CoV-2 RNA in the studied hospital areas (Fig. 1).

	Rooms with COVID-19 patients	Corridor with COVID-19 rooms	Corridor with COVID-19 ICUS	Corridor with non COVID-19 rooms	Outdoor terrace
Rooms with COVID-19 patients		p < 0.01a p < 0.05b	p < 0.0001 p < 0.0005	p < 0.0001 p < 0.0005	p < 0.01 p < 0.0005
Corridor with COVID-19 rooms			p < 0.001 p < 0.0005	p < 0.0001 p < 0.0005	p < 0.0001 p < 0.0005
Corridor with COVID-19 ICUS				no difference	no difference
Corridor with non COVID-19 rooms					no difference

^aParametric.

^bnon parametric.