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. 2011 Jul 18;27(2):758–765. doi: 10.1093/ndt/gfr355

Table 3.

Correlation of pain and sleep indicators with QOL, medical and treatment parametersa

On dialysis
Non-dialysis
PSQI
Frequency Duration Intensity Frequency Duration Intensity
Age −0.113 −0.114 −0.122 −0.081 0.047 −0.118 −0.120
0.206 0.202 0.172 0.367 0.603 0.186 0.183
Kt/V −0.050 −0.019 −0.052 −0.061 −0.016 −0.063 −0.073
0.577 0.832 0.562 0.497 0.859 0.482 0.419
Hb 0.095 0.032 0.115 −0.032 0.033 −0.051 −0.024
0.288 0.721 0.198 0.722 0.715 0.569 0.790
Alb −0.126 0.001 −0.056 −0.084 0.012 −0.059 −0.149
0.158 0.991 0.532 0.350 0.894 0.509 0.097
Karnofsky −0.103 0.005 −0.061 0.050 0.134 0.090 −0.131
0.249 0.956 0.496 0.578 0.136 0.314 0.145
SWLS −0.135 −0.158 −0.174 −0.120 0.011 −0.174 −0.299
0.130 0.076 0.050 0.181 0.903 0.050 0.0007
IEQ 0.395 0.230 0.324 0.228 −0.014 0.299 0.548
0.00004 0.009 0.0002 0.010 0.877 0.0006 <0.001
BDI 0.284 0.143 0.294 0.207 0.070 0.279 0.576
0.001 0.109 0.0008 0.020 0.438 0.001 <0.001
MSP −0.019 −0.151 −0.047 −0.011 0.063 −0.034 −0.342
0.832 0.090 0.600 0.903 0.485 0.704 0.0001
Satisfaction with doctor 0.038 −0.068 0.030 0.112 0.064 0.086 −0.057
0.672 0.448 0.738 0.211 0.478 0.336 0.528
Satisfaction with staff −0.116 0.003 −0.087 0.040 −0.001 0.049 −0.011
0.194 0.973 0.331 0.657 0.991 0.584 0.903
a

Values are given as r above and P below. Key, Karnofsky (Karnofsky Performance Status Scale). Hb, hemoglobin; Alb, albumin. See text for details. Statistically significant relationships are presented as bold values.