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Table 3 Multivariate Competitive Risk Models for a Home Care and Nursing Home admission, prognostic index functions, and risk classification

From: The impact of frailty on admission to home care services and nursing homes: eight-year follow-up of a community-dwelling, older adult, Spanish cohort

HOME CARE (HC) NURSING HOME (NH)
  Sub Hazard Ratio [CI95%] p-value   Sub Hazard Ratio [CI95%] p-value
Age (years) 1.1 [1.1–1.2] < 0.001 Age (years) 1.1 [1.0–1.2] 0.002
IADL: Independent 1   IADL: Independent 1  
IADL: Mild Dependence 1.5 [1.0–2.4] 0.083 IADL: MIld Dependence 0.6 [0.2–1.5] 0.250
IADL: Moderate Dependence or + 2.8 [1.4–5.6] 0.005 IADL: Moderate Dependence or + 2.6 [1.0–6.8] 0.045
TUGT (seconds) 1.0 [1.0–1.1] 0.024
Number of drugs 1.1 [1.0–1.2] 0.019
    SFRSE (points) 1.2 [1.1–1.2] < 0.001
PROGNOSTIC INDEX FUNCTION (PI)
HC PI NH PI
PI: 0,107*Age (years) + 0.412* Mild instrumental dependence (IADL) + 1013* Moderate instrumental dependence (includes severe and total) (IADL) + 0,0331*TUGT (seconds) PI: 0,106*Age (years)-0.551* Mild instrumental dependence (IADL) + 0.971* Moderate instrumental dependence (includes severe and total) (IADL) + 0.097* Number of drugs + 0.165 *SFRSE (points)
Risk group Risk group
•Lower risk group: PI 7.5–8.3 •Lower risk group: PI 7.9–9.5
•Medium risk group: PI 8.4–8.9 •Medium risk group: PI 9.6–10.2
•Higher risk: PI ≥9.0 •Higher risk: PI ≥10.3
  1. IADL: Instrumental Activities of Daily Living; TUGT: Timed Get Up and Go Test; SFRSE: Socio-Family Rating Scale of the Elderly; HC: Home Care; NH: Nursing Home; CI95%: 95% confidence interval