Table 4.

Multivariable predictors for dialysis staff–initiated AED use

VariableOdds Ratio (95% CI)P Value
Patient characteristics
 Age (per year increase)1.00 (0.98 to 1.02)0.87
 Sex
  Female1.00
  Male1.39 (0.89 to 2.16)0.15
 Race
  White1.00
  Black1.20 (0.74 to 1.94)0.46
  Other1.18 (0.33 to 4.19)0.79
  Unknown0.67 (0.25 to 1.79)0.43
Cardiac arrest characteristics
 Witnessing of cardiac arrest
  Unwitnessed1.00
  Witnessed1.24 (0.68 to 2.27)0.48
 Presenting cardiac arrest rhythm
  Nonshockable1.00
  Shockable2.32 (1.47 to 3.65)<0.001
Dialysis clinic characteristics
 Facility type
  Profit-, chain-based clinic1.78 (0.96 to 3.32)0.07
  Other (nonprofit, nonchain)1.00
  Number of dialysis chairs (per increase in one chair)1.05 (1.02 to 1.08)0.001
 Medicare star quality indicator
  4–51.00
  31.74 (1.03 to 2.95)0.04
  1–21.73 (0.83 to 3.60)0.14