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Table 1 Items included in the Item Reduction Questionnaire. Overall importance of each item as measured by the Frequency Importance Product.

From: Development of a Health-Related Quality of Life Questionnaire (HRQL) for patients with Extremity Soft Tissue Infections (ESTI)

Item

Frequency*

Mean importance+

Overall importance++

Symptoms

   

Pain

0.95

3.69

3.49

Fever

0.42

3.23

1.36

Chills

0.51

3.06

1.55

Sweating

0.43

2.84

1.23

Loss of appetite

0.46

3.07

1.42

Nausea

0.27

2.63

0.72

Numbness

0.40

2.74

1.10

Swelling

0.92

3.88

3.56

Blistering

0.28

3.28

0.93

Fatigue

0.54

3.40

1.83

Trouble moving

0.75

3.47

2.59

Stiffness

0.60

3.28

1.97

Soreness

0.92

3.76

3.44

Pressure

0.66

3.43

2.28

Throbbing

0.61

3.36

2.05

Streaking

0.20

2.81

0.56

Discomfort in a distant body part

0.40

3.36

1.34

Discomfort caused by treatment of your infection

0.33

2.74

0.89

Daily Functioning

   

Doing your job

0.79

3.96

3.13

Walking

0.59

3.48

2.05

Bathing

0.62

3.45

2.14

Using the toilet

0.38

2.97

1.13

Driving

0.51

3.27

1.65

Changing clothes

0.64

2.98

1.92

Hobbies

0.51

3.10

1.57

Earning an income

0.54

4.08

2.19

Exercising

0.66

3.20

2.12

Falling asleep

0.62

3.53

2.19

Traveling

0.38

3.03

1.15

Emotional Functioning

   

Frustrated

0.68

3.46

2.37

Impatient

0.46

3.33

1.54

Irritable

0.57

3.09

1.76

Angry

0.28

3.27

0.93

Disappointed

0.61

3.18

1.94

Afraid

0.47

3.27

1.55

Annoyed

0.55

3.50

1.92

Embarrassed

0.31

2.77

0.85

Miserable

0.34

3.26

1.10

Depressed

0.28

2.67

0.76

Sad

0.34

2.75

0.93

Stressed

0.51

2.98

1.51

Exhausted

0.58

3.38

1.96

Inconvenienced

0.75

3.41

2.55

Social Interactions

   

Difficulty socializing because your infection is "disfiguring"

0.19

2.57

0.49

Difficulty getting out of the house

0.41

3.21

1.32

Less desire to socialize than usual

0.40

3.11

1.24

You are inconveniencing your friends and family

0.56

3.37

1.88

Difficulty being physically intimate with your partner

0.36

3.56

1.27

Difficult being emotionally intimate with your partner

0.24

3.33

0.81

  1. *Frequency of study participants reporting item as a problem (maximum = 1.0)
  2. +Mean importance assigned to item if reported as a problem (maximum = 5.0)
  3. ++Frequency importance product (frequency × mean importance) (maximum = 5.0)
  4. NB: The twenty highest ranking items are in bold font and were included in the final questionnaire and calculation of the ESTI score.