Table 2. Tests of normality and selection of statistical methods for analyses of comparisons of 16 days before and 4, 8, 12, or 16 days after the use of MSHs.

	Group	Shapiro–Wilk
		Statistic	df	P valuea	Selected statistical methods
GRW	Before	0.950	15	= 0.526
	After 4	0.996	4	= 0.986	Student’s t test
	After 8	0.969	7	= 0.894	Student’s t test
	After 12	0.928	11	= 0.392	Student’s t test
	After 16	0.944	15	= 0.434	Student’s t test
MCW	Before	0.893	14	= 0.089
	After 4	0.886	3	= 0.342	Student’s t test
	After 8	0.982	7	= 0.968	Student’s t test
	After 12	0.960	11	= 0.776	Student’s t test
	After 16	0.932	15	= 0.289	Student’s t test
GRH	Before	0.957	15	= 0.635
	After 4	0.792	4	= 0.089	Student’s t test
	After 8	0.811	7	= 0.053	Student’s t test
	After 12	0.805	11	= 0.011	Mann–Whitney U test
	After 16	0.836	15	= 0.011	Mann–Whitney U test
MCH	Before	0.862	15	= 0.026
	After 4	0.895	4	= 0.408	Mann–Whitney U test
	After 8	0.885	8	= 0.210	Mann–Whitney U test
	After 12	0.899	12	= 0.156	Mann–Whitney U test
	After 16	0.873	16	= 0.030	Mann–Whitney U test
MSH	Before	0.821	15	= 0.007
	After 4	0.990	4	= 0.955	Mann–Whitney U test
	After 8	0.968	8	= 0.883	Mann–Whitney U test
	After 12	0.964	12	= 0.845	Mann–Whitney U test
	After 16	0.933	16	= 0.275	Mann–Whitney U test
GRNH	Before	0.860	15	= 0.024
	After 4	0.761	4	= 0.049	Mann–Whitney U test
	After 8	0.890	7	= 0.273	Mann–Whitney U test
	After 12	0.917	11	= 0.296	Mann–Whitney U test
	After 16	0.881	15	= 0.049	Mann–Whitney U test
MCNH	Before	0.648	15	<0.001
	After 4	0.938	4	= 0.640	Mann–Whitney U test
	After 8	0.977	7	= 0.945	Mann–Whitney U test
	After 12	0.944	11	= 0.570	Mann–Whitney U test
	After 16	0.967	15	= 0.817	Mann–Whitney U test
MSNH	Before	0.704	15	<0.001
	After 4	0.898	4	= 0.422	Mann–Whitney U test
	After 8	0.926	7	= 0.521	Mann–Whitney U test
	After 12	0.938	11	= 0.494	Mann–Whitney U test
	After 16	0.918	15	= 0.181	Mann–Whitney U test

Notes.

^aP > 0.05 was considered as normally distributed.

Abbreviations

df

degree of Freedom

GRW

growth rate of confirmed cases in Wuhan

Before

before the use of MSHs

After 4

4 days after the use of MSHs

After 8

8 days after the use of MSHs

After 12

12 days after the use of MSHs

After 16

16 days after the use of MSHs

MCW

mortality of confirmed cases in Wuhan

GRH

growth rate of confirmed cases in Hubei

MCH

mortality of confirmed cases in Hubei

MSH

mortality of severe cases in Hubei

GRNH

growth rate of confirmed cases in non-Hubei regions

MCNH

mortality of confirmed cases in non-Hubei regions

MSNH

mortality of severe cases in non-Hubei region

MSHs

“Fangcang, Huoshenshan, and Leishenshan” makeshift hospitals