Comparison of Mortality between Japanese Peritoneal Dialysis and Hemodialysis Patients: A 5-Year Multicenter Follow-Up Study

Table 1

Baseline characteristics of patients.

Characteristics	Peritoneal dialysis	Hemodialysis	P value
Number	83	83
Mean age (years)	63.9±12.7	65.9±11.1	0.282
Men (%)	42.2	50.6	0.276
Duration of dialysis (months)	42 (5–310)	51 (9–305)	0.177
Body weight (kg)	55.5±6.1	52.5±7.4	0.066
Obesity (%)	10.7	8.8	0.758
Diabetes (%)	18.1	27.7	0.139
Past history of CVD (%)	18.1	10.8	0.185
Systolic blood pressure (mmHg)	138±19	148±18	0.068
Diastolic blood pressure (mmHg)	75±10	76±10	0.891
Serum creatinine (mg/dL)	9.7±3.2	9.4±2.3	0.644
Blood urea nitrogen (mg/dL)	54.0±12.2	57.4±12.3	0.095
Albumin (g/dL)	3.5±0.4	3.6±0.3	0.313
Hemoglobin (g/dL)	9.2±1.1	9.7±0.9	0.069
Total cholesterol (mg/dL)	181±36	174±27	0.232
HDL cholesterol (mg/dL)	42.5±13.0	45.9±15.5	0.251
Triglycerides (mg/dL)	147±76	131±106	0.401
Calcium (mg/dL)	9.2±1.0	9.0±0.8	0.278
Phosphate (mg/dL)	5.1±1.3	5.0±1.3	0.521
Intact PTH (mg/dL)	197±150	146±135	0.051
Use of phosphate binder (%)	92.3	84.1	0.446
Use of vitamin D analogs (%)	61.5	62.2	0.964
Use of ESA (%)	23.5	45.8	0.090

CVD: cardiovascular disease: HDL: high-density lipoprotein: PTH: parathyroid hormone: ESA: erythropoiesis-stimulating agents. Mean ± SD, Median (min-max).