Table 4 Known-Group Validity of the MDASI-COVID

Core

Not hospitalized

522

1.81

1.95

–0.79

–1.27

-0.31

0.001*

0.40

Hospitalized

75

2.61

2.12

Module (11 items)

Not hospitalized

522

1.66

2.02

–0.48

–0.97

0.02

0.06

0.23

Hospitalized

75

2.14

2.24

Module (14 items)

Not hospitalized

522

1.59

1.92

–0.52

–0.99

–0.04

0.03*

0.26

Hospitalized

75

2.111

2.19

All symptom items (24 items)

Not hospitalized

523

1.74

1.90

–0.65

–1.12

–0.18

0.007*

0.33

Hospitalized

75

2.39

2.11

All symptom items (27 items)

Not hospitalized

523

1.70

1.86

–0.66

–1.12

–0.20

0.005*

0.35

Hospitalized

75

2.36

2.08

Interference

Not hospitalized

522

2.22

2.66

–1.10

–1.76

–0.33

0.001*

0.41

Hospitalized

75

3.31

3.01

WAW

Not hospitalized

522

2.35

2.93

–1.39

–2.11

–0.67

< 0.001*

0.47

Hospitalized

75

3.74

3.28

REM

Not hospitalized

522

2.08

2.63

–0.79

–1.44

-0.14

0.02*

0.30

Hospitalized

75

2.87

2.98