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Table 2 Cox proportional hazard model analysis for the association between frailty according to Frieds models and mortality in those 75 years and older

From: Do commonly used frailty models predict mortality, loss of autonomy and mental decline in older adults in northwestern Russia? A prospective cohort study

  Model 1 Model 2
  HR (95 % CI) HR (95 % CI)
Pre-frail 1.61 (0.80–3.24) 1.64 (0.81–3.31)
Frail 2.39 (1.11–4.93)* 2.50 (1.20–5.20)*
Sex 2.17 (1.44–3.25)** 2.13 (1.42–3.20)**
Age 1.11 (1.06–1.17)** 1.11 (1.06–1.16)**
Multimorbidity   0.94 (0.81–1.09)
  1. 1 – Model 1: Unadjusted + age, sex
  2. 2 – Model 2: Model 1 + number of comorbidities at the individual level
  3. HR hazard ratios, CI confidence interval
  4. *p < 0.05; **p < 0.001