Table 4.

Average SF-36 and SF-12 scores among patients grouped by observed outcomes, with a follow-up period of up to 1 year from the date of survey

ParameterAny HospitalizationDeath + Withdrawal from Dialysis
Hospitalized(n = 25,526)Not Hospitalized(n = 18,869)Died/Withdrew(n = 6472)Survived(n = 37,417)a
PCS-3631.7 ± 10.2b35.1 ± 10.728.8 ± 9.6b33.9 ± 10.5
PCS-1234.0 ± 9.5b37.0 ± 10.031.3 ± 8.9b36.0 ± 9.8
MCS-3647.3 ± 11.4b48.9 ± 10.946.2 ± 11.6b48.3 ± 11.1
MCS-1246.1 ± 10.8b47.8 ± 10.445.0 ± 10.9b47.2 ± 10.6
  • a Survivors included patients who transferred elsewhere or were lost to follow-up (e.g., had a kidney transplant).

  • b P < 0.005 versus corresponding mean scores for patients without this outcome.