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Table 3 Cox proportional hazards regression models for death

From: Standard laboratory tests to identify older adults at increased risk of death

Variable Beta Standard error Z score Hazard ratio 95%confidence interval
Sex -0.404 0.102 -3.989 0.67 0.54 to 0.82
Age 0.069 0.008 9.207 1.07 1.06 to 1.09
FI-CSHA 0.021 0.004 4.865 1.02 1.01 to 1.03
Sex -0.306 0.102 -3.002 0.74 0.60 to 0.90
Age 0.066 0.008 8.753 1.07 1.05 to 1.08
FI -LAB 0.028 0.005 5.991 1.03 1.02 to 1.04
Sex -0.355 0.101 -3.505 0.70 0.57 to 0.86
Age 0.064 0.008 8.442 1.07 1.05 to 1.08
Combined FI 0.040 0.006 7.058 1.04 1.03 to 1.05
  1. FI, frailty index; FI-CSHA, standard frailty index; FI-LAB, laboratory frailty index.