A comparison of quality of sleep between patients with chronic kidney disease not on hemodialysis and end-stage renal disease on hemodialysis in a developing country

Figures & data

Table 1. A comparison of characteristics of patients with pre-dialysis CKD and ESRD.

	Chronic kidney disease not on hemodialysis (pre-dialysis CKD), N = 73	End-stage renal disease on hemodialysis (ESRD), N = 79	p Value
Mean age in years	54.6 ± 16.7	40.6 ± 17.2	<.001
Male sex (%)	54.8	67.1	.120
Urban Address (%)	57.5	42.1	.060
Secondary or higher education (%)	47.2	52.8	.855
Middle or high socioeconomic status (%)	48.6	33.3	.057
Married (%)	88.9	70.9	.006
Working (%)	26.4	33.3	.354
Smoker (%)	11.1	6.3	.295
Median duration of renal disease in months (IQR)	12 (6–24)	18 (9–36)	.201
Hypertension (%)	83.6	79.7	.544
Diabetes mellitus (%)	60.3	36.5	.004
Cardiovascular disease (%)	23.6	17.1	.325
Hepatitis C (%)	11	44.9	<.001
Mean hemoglobin (g/dl)	10.3 ± 2.3	9.5 ± 1.6	.030
Median calcium (mg/dl) (IQR)	8.6 (8.1–9.0)	9.0 (8.6–9.6)	.987
Mean phosphorous (mg/dl)	5.5 ± 1.5	6.4 ± 1.6	.007
Median albumin (g/dl)	4.1 (3.5–4.3)	3.4 (1.7–3.9)	.009
Median body mass index (kg/m^2)	21.7 (17.3–30.8)	19.1 (15.6–23.6)	.010

Table 2. Comparison of PSQI global score between pre-dialysis CKD and ESRD patients.

	Chronic kidney disease not on hemodialysis (pre-dialysis CKD), N = 73	End-stage renal disease on hemodialysis (ESRD), N = 79	p Value
Median PSQI Global Score (IQR)	6 (3.5–9.0)	5 (3.0–8.0)	.381
Patients with poor sleep quality (%)	69.9%	62.0	.309

Table 3. Unadjusted and adjusted multiple linear regression analysis of predictors including ESRD versus pre-dialysis CKD of PSQI global score.

	Unadjusted Standardized coefficient β	p Value	Adjusted standardized coefficient β	Adjusted p value
Age	−0.052	.527
Male sex	−0.078	.342
Urban address (%)	−0.166	.043
Secondary or higher education (%)	−0.110	.182
Middle or high socioeconomic status (%)	−0.134	.102
Married (%)	0.028	.730
Working (%)	−0.158	.053
Smoker (%)	0.115	.158
Median duration of renal disease	−0.053	.557
Hypertension (%)	0.173	.033
Diabetes mellitus (%)	0.065	.434
Cardiovascular disease (%)	0.207	.012	0.200	.025
Hepatitis C	0.008	.920
Mean hemoglobin (g/dl)	−0.199	.027	−0.375	<.001
Median calcium (mg/dl)	0.122	.247
Mean phosphorous (mg/dl)	−0.177	.078
Median albumin (g/dl)	−0.093	.382
Median body mass index (Kg/m2)	0.002	.979
ESRD versus pre-dialysis CKD	−0.058	.480
Anxiety score	0.276	.001
Depression score	0.461	.001	0.505	<.001

Age, Sex, Address, socio-economic status, employment status, hypertension, cardiovascular disease, hemoglobin, phosphorous, anxiety, depression scores and ESRD vs. pre-dialysis CKD were included in final model in stepwise fashion.