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Table 4 Total and average valency per health state for reported sampling schemes analysed by severity index

From: Improving valuation sampling of EQ-5D health states

  

Valency (valency/state) of health states present in each valuation study

Severity index

EQ-5D states

UK / Spain / US

Denmark

Germany

Japan / Netherlands

0

1

5 (5.00)

5 (5.00)

5 (5.00)

5 (5.00)

1

5

13 (2.60)

17 (3.40)

13 (2.60)

7 (1.40)

2

15

9 (1.80)

16 (2.29)

8 (1.60)

1 (1.00)

3

30

5 (1.67)

8 (2.00)

1 (0.50)

0 (0.00)

4

45

10 (1.25)

12 (1.50)

7 (1.17)

0 (0.00)

5

51

6 (1.50)

11 (2.20)

6 (1.50)

0 (0.00)

6

45

3 (0.75)

7 (1.75)

3 (0.75)

-

7

30

5 (0.50)

9 (1.00)

5 (0.83)

0 (0.00)

8

15

2 (1.00)

5 (1.67)

2 (2.00)

-

9

5

1 (1.00)

-

1 (1.00)

1 (1.00)

10

1

1 (1.00)

-

1 (1.00)

1 (1.00)

All

243

60 (1.40)

90 (1.91)

52 (1.44)

16 (0.89)

  1. Valency: the number of simple direct links between states.