Table 3.

Association between serious fall injuries and waitlisting among United States patients ages 18–80 years old initiating dialysis in 2010–2013

Measure/ModelaOverallSerious Fall Injurya
NoYes
No. of patients183,047170,68012,367
No. of patients waitlisted18,81118,470341
Total patient-yr269,965.1243,425.926,539.2
Waitlisting rate, per 100 patient-yr7.07.61.3
Hazard ratios for waitlisting by serious fall injury (95% CI)
 Primary analyses
  Crude1.00 (Reference)0.31 (0.28 to 0.35)
  Adjusted, demographicsb1.00 (Reference)0.38 (0.34 to 0.43)
  Adjusted, demographics + clinicalb1.00 (Reference)0.39 (0.35 to 0.44)
 Sensitivity analysesc
  Additional adjustment for
   Dialysis modality1.00 (Reference)0.40 (0.36 to 0.45)
   Peripheral vascular disease1.00 (Reference)0.39 (0.35 to 0.44)
   Amputation1.00 (Reference)0.39 (0.35 to 0.44)
   Inability to walk1.00 (Reference)0.39 (0.35 to 0.44)
   Inability to transfer1.00 (Reference)0.39 (0.35 to 0.44)
   Institutionalization1.00 (Reference)0.39 (0.35 to 0.44)
  Fall injuries with E codes only1.00 (Reference)0.37 (0.30 to 0.47)
 Subgroup analysesc
  Age, yr
   18–391.00 (Reference)0.43 (0.32 to 0.58)
   40–64 (P40–64×18–39=0.70)1.00 (Reference)0.40 (0.35 to 0.46)
   ≥65 (P65×18–39=0.10)1.00 (Reference)0.35 (0.28 to 0.43)
  Sex
   Men1.00 (Reference)0.38 (0.32 to 0.44)
   Women (Pwomen×men=0.56)1.00 (Reference)0.41 (0.35 to 0.48)
  Race/ethnicity
   Non-Hispanic white1.00 (Reference)0.39 (0.33 to 0.45)
   Black (Pblack×white=0.59)1.00 (Reference)0.39 (0.31 to 0.50)
   Hispanic white (PHispanic×white=0.20)1.00 (Reference)0.45 (0.36 to 0.57)
   Other (Pother×white=0.10)1.00 (Reference)0.24 (0.14 to 0.42)
  • n=181,204 for models. 95% CI, 95% confidence interval.

  • a From cohort entry to outcome or censoring.

  • b Demographics: age, sex, and race/ethnicity. Clinical: demographics plus body mass index, comorbid diabetes, ischemic heart disease, hypertension, cerebrovascular disease, congestive heart failure, chronic obstructive pulmonary disease, and cancer.

  • c Using the fully adjusted (demographics + clinical) model.