Table 3.

Correlation of pain and sleep indicators with QOL, medical and treatment parameters^a

	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

^aValues 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.