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Table 6 Results of ANOVA for known group discriminant validity

From: Validation of a patient satisfaction questionnaire for anemia treatment, the PSQ-An

  

PSQ-An Subscale

  

Inconvenience

Satisfaction

Item

Response Category

n

Mean (SD)

P value

n

Mean (SD)

P value

Self-Reported General Health

Poor

22

3.06 (0.95)

0.13

22

2.95 (1.14)

0.006

 

Fair

108

3.24 (0.64)

 

107

2.99 (1.03)

 
 

Good

93

3.37 (0.58)

 

93

3.35 (0.92)

 
 

Very Good

27

3.47 (0.71)

 

27

3.53 (0.81)

 
 

Excellent

12

3.12 (0.99)

 

12

3.67 (0.58)

 

Hb level (CTC)

>12.0 g/dL (female); >14.0 g/dL (male)

27

3.26 (0.68)

0.17

26

3.25 (0.95)

0.83

 

10.0 – 12.0 g/dL (female); 10.0 – 14.0 g/dL (male)

104

3.23 (0.71)

 

104

3.04 (1.07)

 
 

8.0 – 10.0 g/dL

20

3.57 (0.30)

 

20

3.10 (1.00)

 
 

<8.0 g/dL

2

3.64 (0.51)

 

2

3.00 (1.41)

 

ECOG Score*

0. Fully active, able to carry on all pre-disease performance without restriction

151

3.26 (0.72)

0.58

151

3.20 (1.00)

0.18

 

1. Restricted in physically strenuous activity but ambulatory and able to carry out work of a light or sedentary nature, eg, light house work, office work

101

3.34 (0.63)

 

100

3.09 (1.03)

 
 

2. Ambulatory and capable of all self care but unable to carry out any work activities. Up and about more than 50% of waking hours

14

3.17 (0.70)

 

14

3.61 (0.68)

 
  1. * The conversion between Karnofsky and ECOG performance status ratings may be found at http://www.canceralternatives.mednet.ucla.edu/under.html#Anchor-ECOG-47833