Table 3.
Association between serious fall injuries and waitlisting among United States patients ages 18–80 years old initiating dialysis in 2010–2013
| Measure/Modela | Overall | Serious Fall Injurya | |
|---|---|---|---|
| No | Yes | ||
| No. of patients | 183,047 | 170,680 | 12,367 |
| No. of patients waitlisted | 18,811 | 18,470 | 341 |
| Total patient-yr | 269,965.1 | 243,425.9 | 26,539.2 |
| Waitlisting rate, per 100 patient-yr | 7.0 | 7.6 | 1.3 |
| Hazard ratios for waitlisting by serious fall injury (95% CI) | |||
| Primary analyses | |||
| Crude | 1.00 (Reference) | 0.31 (0.28 to 0.35) | |
| Adjusted, demographicsb | 1.00 (Reference) | 0.38 (0.34 to 0.43) | |
| Adjusted, demographics + clinicalb | 1.00 (Reference) | 0.39 (0.35 to 0.44) | |
| Sensitivity analysesc | |||
| Additional adjustment for | |||
| Dialysis modality | 1.00 (Reference) | 0.40 (0.36 to 0.45) | |
| Peripheral vascular disease | 1.00 (Reference) | 0.39 (0.35 to 0.44) | |
| Amputation | 1.00 (Reference) | 0.39 (0.35 to 0.44) | |
| Inability to walk | 1.00 (Reference) | 0.39 (0.35 to 0.44) | |
| Inability to transfer | 1.00 (Reference) | 0.39 (0.35 to 0.44) | |
| Institutionalization | 1.00 (Reference) | 0.39 (0.35 to 0.44) | |
| Fall injuries with E codes only | 1.00 (Reference) | 0.37 (0.30 to 0.47) | |
| Subgroup analysesc | |||
| Age, yr | |||
| 18–39 | 1.00 (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 (P≥65×18–39=0.10) | 1.00 (Reference) | 0.35 (0.28 to 0.43) | |
| Sex | |||
| Men | 1.00 (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 white | 1.00 (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.