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Perit Dial Int 28(3): 252-258
2008
© 2008 International Society for Peritoneal Dialysis
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ORIGINAL ARTICLES

THE IMPACT OF SOCIAL SUPPORT ON THE SURVIVAL OF CHINESE PERITONEAL DIALYSIS PATIENTS

Cheuk-Chun Szeto, Kai-Ming Chow, Bonnie Ching-Ha Kwan, Man-Ching Law, Kwok-Yi Chung, Chi-Bon Leung and Philip Kam-Tao Li

Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China

Correspondence to: C.C. Szeto, Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China.
ccszeto{at}cuhk.edu.hk

{diamondsuit} Background: Social support is an independent risk factor for mortality among new hemodialysis patients. We evaluated the effect of social support on the outcome of Chinese peritoneal dialysis (PD) patients.

{diamondsuit} Methods: We studied 167 prevalent PD patients. They completed the Medical Outcomes Study Social Support Survey, Chinese Version (MOS-SSS-C) questionnaire. Patients were followed for 1 year. Outcome measures included change in nutritional status, hospitalization, and technique and actuarial patient survival.

{diamondsuit} Results: Actuarial survival was 57.1%, 72.7%, 85.3%, and 88.6% for MOS-SSS-C total score quartiles I, II, III, and IV, respectively (log rank test, p = 0.037). Technique survival was 57.1%, 81.9%, 91.9%, and 91.4% (log rank test, p = 0.0044). By multivariate analysis with the Cox proportional hazard model to adjust for confounders, every 1 point increase in MOS-SSS-C total score was associated with a 0.6% [95% confidence interval (CI) 0.2%-0.9%, p = 0.003] reduction in the risk of death and a 0.5% (95%CI 0.1%-1.0%, p = 0.037) reduction in the risk of technique failure. The MOS-SSS-C score had no significant effect on change in nutritional or dialysis adequacy indices, hospitalization, or number of peritonitis episodes in 1 year.

{diamondsuit} Conclusion: The degree of social support is an important predictor of actuarial and technique survival in Chinese PD patients. Measures to enhance social support may represent an easily achievable means of improving the clinical outcome of PD patients.

KEY WORDS: Depression; social support; renal failure.

Received 8 May 2007; accepted 25 October 2007.






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