Table 5.

The impact of patient characteristics and hematocrit levels on mortality without adjusting for severity of disease measuresa

Characteristic All-Cause Death Cardiac Death Infectious Death
RR 95% CI RR 95% CI RR 95% CI
Age
under 45 (ref)1.001.001.00
45 to 641.67(1.56 to 1.78)1.67(1.51 to 1.85)1.77(1.46 to 2.13)
65 to 742.21(2.07 to 2.37)2.17(1.96 to 2.40)2.21(1.83 to 2.68)
≥753.11(2.90 to 3.34)2.90(2.61 to 3.23)3.29(2.70 to 3.99)
Female0.94(0.91 to 0.97)0.86(0.82 to 0.91)1.02(0.93 to 1.12)
Race
white (ref)1.001.001.00
black0.73(0.70 to 0.76)0.66(0.63 to 0.70)0.81(0.73 to 0.89)
Native American0.83(0.72 to 0.97)0.82(0.65 to 1.02)0.55(0.33 to 0.92)
other0.87(0.82 to 0.92)0.89(0.81 to 0.97)0.80(0.67 to 0.95)
Prior ESRD exposure
<1 year (ref)1.001.001.00
1 to 2 years1.07(1.02 to 1.12)1.06(0.99 to 1.14)1.06(0.92 to 1.21)
2 to 5 years1.11(1.06 to 1.16)1.16(1.09 to 1.24)1.22(1.08 to 1.38)
≥5 years1.12(1.06 to 1.18)1.16(1.07 to 1.25)1.37(1.19 to 1.58)
Comorbid conditions
ASHD1.11(1.07 to 1.15)1.31(1.24 to 1.38)1.06(0.96 to 1.17)
CVA/TIA1.23(1.19 to 1.27)1.15(1.09 to 1.21)1.32(1.20 to 1.45)
PVD1.21(1.16 to 1.25)1.20(1.13 to 1.27)1.37(1.23 to 1.53)
CHF1.42(1.36 to 1.48)1.62(1.52 to 1.73)1.34(1.20 to 1.50)
cardiac other1.16(1.11 to 1.21)1.22(1.14 to 1.30)1.14(1.01 to 1.29)
COPD1.24(1.20 to 1.29)1.23(1.16 to 1.29)1.17(1.06 to 1.29)
cancer1.03(1.00 to 1.07)0.93(0.88 to 0.99)0.99(0.89 to 1.09)
liver1.00(0.96 to 1.04)0.98(0.92 to 1.04)1.04(0.94 to 1.16)
gallbladder1.03(0.98 to 1.08)1.06(0.99 to 1.52)1.08(0.95 to 1.24)
GI1.17(1.13 to 1.21)1.11(1.04 to 1.16)1.31(1.19 to 1.44)
Hematocrit
<27%1.51(1.44 to 1.59)1.40(1.30 to 1.52)1.82(1.59 to 2.08)
27% to <30%1.20(1.16 to 1.25)1.18(1.12 to 1.25)1.25(1.12 to 1.39)
30% to <33% (ref)1.001.001.00
33% to <36% 0.90 (0.85 to 0.95) 0.92 (0.85 to 0.99) 0.94 (0.81 to 1.10)
  • a RR, relative risk; CI, confidence interval.