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Table 3 Item difficulties with DIF-free and Fit MNSQ statistics of the 15 items in the 2003 English inpatient questionnaire of the Picker Institute Europe

From: Online assessment of patients' views on hospital performances using Rasch model's KIDMAP diagram

No.

Category & Item

Difficulty

MNSQ

 

DIF-free

  

Logit

SE

Infit

Outfit

PTME§

p-value*

 

Admission to hospital

      

2

How organized was the care you received in A&E?

-0.95

0.15

1.05

1.18

0.7

.736

5

Were you given enough notice of your date of admission?

-1.08

0.15

1.02

0.94

0.69

.968

9

You feel wait a long time to get to a bed on a ward?

-0.63

0.14

1.2

1.1

0.74

.116

 

The Hospital and Ward

      

11

Ever bothered by noise at night from other patients?

1.58

0.13

1.50

1.50

0.74

.289

12

Bothered by noise at night form hospital staff?

-1.1

0.15

1.02

1.02

0.69

.287

 

Doctors

      

17

Having confidence and trust in the doctors treating you?

-1.1

0.15

0.61

0.66

0.79

.553

18

Doctors talked in front of you as if you weren't there?

-1.12

0.15

1.12

1.07

0.67

.120

 

Nurses

      

19

You get answers that you could understand from a nurse?

-1.12

0.15

0.56

0.57

0.8

.114

23

Staff saying one thing and another quite different happened to you?

-1.1

0.15

0.98

0.89

0.71

.199

24

Were you involved to be in decisions about your care and treatment?

0.67

0.14

0.77

0.77

0.84

.068

27

Hospital staff talk about your worries and fears?

2.22

0.13

0.56

0.52

0.81

.364

30

How long after using call button before you got the help you needed?

0.42

0.14

0.91

1.21

0.66

.253

 

Pain

      

34

Hospital staff did everything they could to help you control your pain?

-1.12

0.15

0.82

0.87

0.74

.906

 

Leaving Hospital

      

38

Staff explained the purpose of the medicines you could understand?

-1.1

0.15

0.97

0.87

0.71

.972

39

Staff told you about medication side effects when going home?

3.78

0.13

1.22

1.16

0.81

.407

41

Doctors or nurses gave your family information needed to help you?

2.76

0.13

1.37

1.44

0.78

.090

42

Staff told you how to contact if worries happened after leaving?

-0.3

0.14

1.33

1.19

0.73

.344

 

Overall

      

44

How would you rate well the doctors and nurses worked together?

-0.71

0.14

0.75

0.67

0.8

.303

 

Mean

0.00

0.14

0.99

0.98

0.75

 
 

SD

1.56

0.01

0.28

0.28

0.05

 
  1. Note. *DIF CHI-square probability from TABLE 30.4 of WINSTEPS software
  2. §biserial correlations
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BMC Health Services Research

ISSN: 1472-6963

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