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Table 4 Known-group validity: MDASI-MM symptom and interference subscale scores compared with ECOG PS scores from final MDASI-MM assessment ( n = 127)

From: Validation of the M. D. Anderson Symptom Inventory multiple myeloma module

MDASI-MM subscale

ECOG PS

No. of patients

Mean

SD

Difference

95% CL

Effect size

      

Lower

Upper

 

Core

Good

63

1.88

1.50

1.62a

1.50

2.26

0.89

 

Poor

64

3.50

1.79

 

3.06

3.95

 

Severity

Good

63

1.72

1.38

1.43a

1.37

2.07

0.86

 

Poor

64

3.15

1.60

 

2.75

3.55

 

Interference

Good

63

2.71

2.14

1.91a

2.17

3.25

0.75

 

Poor

64

4.62

2.57

 

3.98

5.26

 
  1. a Significant at P < .001.