Reliability and Validity of the Greek QLQ-C30 and QLQ-MY20 for Measuring Quality of Life in Patients with Multiple Myeloma
Table 3
Spearman rank correlations between EORTC QLQ-C30 and SF-36 scales.
QLQ-C30 scales
SF-36 scales
PF
RP
BP
GH
VT
SF
RE
MH
Global health status
0.58***
0.27
0.52***
0.35
*
0.59***
0.48***
0.31
0.51***
Physical functioning
0.80
***
0.51***
0.51***
0.41***
0.71***
0.54***
0.26
0.49***
Role functioning
0.54***
0.51
***
0.47***
0.24
0.57***
0.47***
0.50
***
0.36*
Emotional functioning
0.39**
0.26
0.44***
0.35*
0.54***
0.48***
0.41**
0.71
***
Social functioning
0.55***
0.31
0.49***
0.32
0.48***
0.59
***
0.27
0.39**
Fatigue
−0.52***
−0.42**
−0.45***
−0.44**
−0.64
***
−0.47***
−0.31
−0.61***
Pain
−0.50***
−0.37*
−0.73
***
−0.28
−0.42**
−0.29*
−0.21
−0.33
Notes: bold numbers indicate correlations hypothesized to be moderate or strong. Negative correlations are an artifact of the scoring procedures. PF: physical functioning, RP: role physical, BP: bodily pain, GH: general health, VT: vitality, SF: social functioning, RE: role emotional, and MH: mental health. , , and , with Bonferroni adjustment for multiple testing.