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Table 3 Logit values for summed scores after rescoring disordered thresholds

From: Cross-diagnostic validity in a generic instrument: an example from the Functional Independence Measure in Scandinavia

Sumscore

Pooled data

SCI

Stroke

TBI

0

-4,83

-5

-5,35

-4,64

1

-3,67

-4,07

-4,14

-3,73

2

-2,88

-3,35

-3,31

-3,06

3

-2,35

-2,8

-2,73

-2,58

4

-1,95

-2,32

-2,27

-2,19

5

-1,61

-1,89

-1,88

-1,85

6

-1,31

-1,5

-1,53

-1,54

7

-1,04

-1,13

-1,2

-1,26

8

-0,78

-0,79

-0,89

-0,99

9

-0,54

-0,48

-0,59

-0,72

10

-0,3

-0,19

-0,31

-0,46

11

-0,07

0,08

-0,03

-0,19

12

0,17

0,35

0,25

0,09

13

0,42

0,61

0,53

0,38

14

0,68

0,89

0,81

0,69

15

0,96

1,17

1,11

1,03

16

1,27

1,48

1,44

1,39

17

1,62

1,83

1,81

1,8

18

2,04

2,23

2,23

2,26

19

2,55

2,75

2,76

2,81

20

3,24

3,5

3,47

3,55

21

4,16

4,58

4,44

4,54

  1. Pooled data = Stroke + TBI + SCI
  2. TBI = Traumatic Brain Injury
  3. SCI = Spinal Cord Injury
  4. The RUMM 2020 program automatically assigns scores that begin with 0, giving in this case e.g. categories 0, 1, 2 that in RUMM are equivalent to 1, 2, 3 in FIM™ categories. RUMM sum scores ranged from 0–21, which is equivalent to 13–32 in FIM™ sum scores.