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Table 2 Short Form-36 data of the study patients shown as mean, Standard Deviation (SD), median and quartiles [Q1-Q3]. For each SF-36 dimension, the values for the study patients and the normative values are reported, with delta value (mean of study patients –normative mean). Negative delta values represent a quality of life of the study patients worse than that of the normal population

From: Fatigue in intensive care survivors one year after discharge

 

Study patients

Normative valuesa

Delta

p value *

SF-36b

PF

mean

65.89

68.95

-3.1

0.510

SD

29.45

18.21

  

Median

75

   

Q1-Q3

44-90

   

RP

mean

48.66

64.61

-15.9**

0.006

SD

39.14

15.47

  

Median

50

   

Q1-Q3

0-100

   

BP

mean

73.98

63.95

+10

0.021

SD

29.81

11.37

  

Median

84

   

Q1-Q3

52-100

   

GH

mean

60.05

53.81

+6.2

0.074

SD

23.19

11.38

  

Median

67

   

Q1-Q3

39-77

   

VT

mean

65.63

55.34

+10.3

0.001

SD

20.45

8.14

  

Median

68

   

Q1-Q3

50-80

   

SF

mean

76.79

79.70

-2.9

0.435

SD

26.91

6.61

  

Median

88

   

Q1-Q3

59-100

   

RE

mean

72.02

68.06

-4.0

0.496

SD

42.06

10.16

  

Median

100

   

Q1-Q3

58-100

   

MH

mean

72.21

62.06

+10.1

0.001

SD

20.14

5.92

  

Median

76

   

Q1-Q3

60-88

   
  1. a Data of the Italian normative sample collected by Apolone et al. [24] adjusted for gender and age
  2. b PF physical functioning, RP role limitation due to physical problems, BP bodily pain, GH general health, VT vitality, SF social functioning, RE role limitation due to emotional problems, MH mental health (range 0-100 with higher scores represent better functioning)
  3. * p value: statistical significance according to unpaired t test
  4. ** Delta value showing a minimum clinically significant difference of more than 5 points, consistent with quality of life worse than the adjusted normal population