Table 3.

Risk of all-cause mortality

Basis of BP ClassificationUnadjusted AnalysisAge-, Gender-, Race-Adjusted AnalysisMultivariate-Adjusted Analysisa
nHazard Ratio95% CIPnHazard Ratio95% CIPnHazard Ratio95% CIP
Median midweek intradialytic<0.01b<0.01b0.02b
    SN1231.001231.001061.00
    WCH521.12(0.60 to 2.11)0.7521.16(0.62 to 2.17)0.7471.30(0.68 to 2.48)0.4
    MHTN541.70(0.94 to 3.09)0.08541.35(0.73 to 2.50)0.3511.36(0.73 to 2.53)0.3
    SHTN1241.80(1.12 to 2.89)0.021241.87(1.16 to 3.01)0.011151.87(1.13 to 3.10)0.01
Prehemodialysis<0.01b0.01b0.01b
    SN851.00851.00751.00
    WCH901.50(0.84 to 2.70)0.2901.41(0.78 to 2.54)0.3781.63(0.89 to 2.99)0.10
    MHTN132.66(0.99 to 7.11)0.05132.05(0.75 to 5.65)0.2121.71(0.60 to 4.86)0.30
    SHTN1642.08(1.23 to 3.54)<0.011641.94(1.14 to 3.31)0.011532.06(1.18 to 3.60)0.01
Posthemodialysis0.02b0.05b0.07b
    SN1131.001131.00981.00
    WCH620.97(0.52 to 1.80)0.9620.87(0.47 to 1.61)0.7551.04(0.55 to 1.96)0.90
    MHTN321.90(0.97 to 3.72)0.06321.81(0.91 to 3.59)0.09301.99(0.98 to 4.04)0.06
    SHTN1451.65(1.03 to 2.63)0.041451.48(0.92 to 2.38)0.11351.49(0.91 to 2.43)0.10
  • CI, confidence interval.

  • a Adjusted for age, race, gender, cardiovascular disease, serum albumin, hemoglobin, and dialysis vintage.

  • b Denotes test for linear trend from SN to SHTN.