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Table 2 Features of the score distributions of the SIP-136, SF-36 and GARS scales (n = 186)

From: Psychometric properties of questionnaires evaluating health-related quality of life and functional status in polytrauma patients with lower extremity injury

Instrument Scale

Mean

SD

Median

Range1

Minimum2 (%)

Maximum3(%)

SIP-136

      
 

Ambulation

17.32

17.8

15.3

0-67

40.3

0.5

 

Mobility

6.76

13.6

0.0

0-60

67.7

0.5

 

Body Care and Movement

5.92

10.1

1.5

0-55

46.8

0.5

 

Social Interaction

7.73

13.2

0.0

0-73

52.2

0.5

 

Alertness

12.69

20.9

0.0

0-97

59.7

0.5

 

Emotional Behaviour

8.76

15.3

0.0

0-91

60.8

0.5

 

Communication

4.08

9.8

0.0

0-53

80.1

0.5

 

Sleep and Rest

9.46

13.8

0.0

0-78

54.3

0.5

 

Eating

1.91

5.3

0.0

0-31

83.3

1.1

 

Work

26.96

31.5

8.4

0-70

41.9

2.7

 

Home Management

14.23

19.8

6.6

0-82

45.7

0.5

 

Recreation and Pastimes

15.55

17.5

10.2

0-72

40.3

0.5

SF-36

      
 

Physical Functioning

62.90

29.6

65.0

0-100

2.7

12.4

 

Role-Physical

53.20

42.7

50.0

0-100

30.1

36.6

 

Bodily Pain

70.30

25.1

68.4

0-100

0.5

25.3

 

General Health

67.10

20.6

70.0

10-100

1.1

2.7

 

Vitality

62.40

19.1

65.0

0-100

0.5

1.6

 

Social Functioning

74.80

28.2

87.5

0-100

4.3

34.9

 

Role-Emotional

78.30

36.7

100

0-100

12.9

70.4

 

Mental Health

74.30

19.6

80.0

12-100

0.5

4.3

GARS

      
 

Totaal

25.70

11.5

19.5

18-71

44.1

1.1

 

ADL

14.50

6.0

11.0

11-43

51.6

1.6

 

IADL

11.20

5.9

8.0

7-28

48.9

2.2

  1. SIP-136 = Sickness Impact Profile-136; SF-36 = SF-36 item Health Status Survey; GARS = Groningen
  2. Activity Restriction Scale; ADL = Activities in Daily Living; IADL = Instrumental Activities of Daily Living;
  3. n = number; SD = standard deviation.
  4. 1 Patients score range, minimum and maximum score.
  5. 2 Percentage of patients with minimum score, floor effect.
  6. 3 Percentage of patients with maximum score, ceiling effect.