Table 4.

Factors associated with 30-day and 90-day rehospitalization or mortality on multivariable logistic regression

Variables30-Day Rehospitalization or Mortality, OR (95% CI)P Value90-Day Rehospitalization or Mortality, OR (95% CI)P Value
Participation in AKI rehabilitation clinic0.41 (0.16 to 0.93)0.040.52 (0.25 to 1.05)0.07
Age (years)0.98 (0.97 to 1.0)0.050.98 (0.96 to 0.99)0.006
Male versus female1.14 (0.69 to 1.64)0.781.18 (0.79 to 1.77)0.41
Non-Hispanic White versus another race1.65 (0.51 to 6.83)0.430.86 (0.28 to 2.63)0.78
Stage 3 versus stage 2 AKI0.96 (0.56 to 1.56)0.820.85 (0.53 to 1.37)0.51
Charlson Comorbidity Index1.14 (1.06 to 1.22)0.00041.16 (1.08 to 1.24)0.0001
Length of stay (d)0.99 (0.97 to 1.01)0.440.997 (0.98 to 1.02)0.72
Dialysis received during admission1.02 (0.34 to 2.15)0.760.53 (0.22 to 1.27)0.16
Discharge eGFR (ml/min per 1.73 m2)0.999 (0.99 to 1.01)0.550.996 (0.99 to 1.00)0.33
ICU admission1.07 (0.68 to 1.80)0.680.90 (0.57 to 1.41)0.63
CHF in discharge diagnoses0.74 (0.45 to 1.20)0.200.81 (0.5 to 1.30)0.39
Admissions within 1-year before index0.42 (0.06 to 2.26)0.290.12 (0.01 to 0.88)0.08
Discharge disposition
 Rehabilitation versus home0.76 (0.28 to 1.89)0.581.16 (0.51 to 2.55)0.72
 SNF versus home1.89 (1.12 to 3.21)0.021.82 (1.10 to 3.02)0.02
 LTACH versus home3.4 (1.45 to 8.04)0.0054.1 (1.75 to 10.19)0.64
  • OR, odds ratio; ICU, intensive care unit; CHF, congestive heart failure; SNF, skilled nursing facility; LTACH, long-term acute care hospital.