To investigate the current status of dialysis adequacy and pass rate of Kt/V_urea in peritoneal dialysis (PD) patients, and to explore the related risk factors and nursing intervention.

The participants referred to PD patients with adequate dialysis (≥3 months) and regular follow-up from August to December in 2015. The demographic data and clinical characteristics were collected according to questionnaire survey and laboratory examination. The participants were divided into two groups based on their KT/V_urea.

Totals of 185 clinical stable PD patients were included in the study, with an average age of (56.41±14.57) years old and dialysis duration of (34.74±28.46) months. The cut-off of KT/V_urea was (2.05±0.50) and the pass rate of KT/V_urea was 77.84%. The passed participants tended to be females and had lower BMI and better residual renal function compared with participants who failed KT/ V_urea (P<0.05) . No significant difference was found in age, blood pressure, blood calcium, phosphorus, PTH, hemoglobin, blood albumin, alkaline phosphatase, CRP, Vitamin D, dialysis duration, and dialysis dose (P>0.05) . Logistic regression analysis indicated that sex and residual renal function were independent factors for Kt/V_urea. Being females was a protective factor. Decreased KT/V_urea, higher calcium-phosphorus product, lower serum albumin, prolonged dialysis time and increased dialysis dose were independent risk factors of residual renal function.

Sex and residual renal function were independent factors for Kt/V_urea. Nursing intervention should be focused on diet control and regular follow-up to prevent the progress of residual renal function and the improvement of dialysis adequacy.

Nursing; Peritoneal dialysis; Dialysis adequacy; Residual renal function