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Table.1 Test statistic – Wilcoxon signed-rank test

From: COVID-19 pandemic and waiting times in outpatient specialist care in Germany: an empirical analysis

Variables

n

Mean

SD

Median

Variables

n

Mean

SD

Median

z

p

r

Waiting time 19 SHI

135

26.13

29.55

15

Waiting time 20 SHI

138

17.09

30.48

5

−4.33

< .001

.43

Waiting time 19 PHI

154

17.37

20.25

12

Waiting time 20 PHI

162

11.09

18.83

4

−4.01

< .001

.36

Waiting time 19 SHI

135

26.13

29.55

15

Waiting time 19 PHI

154

17.37

20.25

12

−5.78

< .001

.50

Waiting time 20 SHI

138

17.09

30.48

5

Waiting time 20 PHI

162

11.09

18.83

4

−4.04

< .001

.36

Difference 19

132

10.40

23.75

2

Difference 20

129

5.76

22.14

1

−2.20

.028

.22

Waiting time undersupply 19

43

24.78

21.31

17

Waiting time undersupply 20

41

18.57

29.55

6.5

−2.94

.003

.54

Waiting time oversupply 19

89

18.52

21.67

10.5

Waiting time oversupply 20

88

8.93

10.33

4

−3.75

< .001

.46

Waiting time Surgeons & Orthopedists 19

38

10.79

9.30

7

Waiting time Surgeons

& Orthopedists 20

40

4.34

4.98

3

−4.71

< .001

.86

Waiting time Gynecologists 19

39

23.59

28.53

15

Waiting time Gynecologists 20

38

20.30

18.34

15.25

−.97

.330

.19

Waiting time Dermatologists 19

14

34.40

17.45

31

Waiting time Dermatologists 20

8

12.75

9.27

12.25

−2.02

.043

.90

Waiting time Otorhinolaryngologists 19

23

18.63

20.35

9

Waiting time Otorhinolaryngologists 20

26

3.88

2.85

3.25

−3.96

< .001

.87

Waiting time Ophthalmologists 19

18

26.31

20.30

21.75

Waiting time Ophthalmologists 20

17

23.50

38.45

12.5

−1.78

.075

.49