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Table 1 Characteristics of the study cohort and the concurrent subsample

From: Validation of an electronic frailty index with electronic health records: eFRAGICAP index

  Study Cohort
(N = 253,684)
Concurrent subsample
(N = 333)
Age (years) 76.3 (7.9) 79.9 (5.9)
Gender: female 59.5% 57.7%
eFRAGICAP score
 Mean (SD) 0.17 (0.12) 0.26 (0.12)
 Median (IQR) 0.14 (0.08–0.25) 0.25 (0.18–0.33)
 99th percentile 0.52 0.60
 Males 0.16 (0.11) 0.25 (0.10)
 Females 0.18 (0.12) 0.27 (0.13)
Frailty categories
 Fit 41.1% 12.6%
 Mild 32.2% 31.5%
 Moderate 18.7% 39.6%
 Severe 7.9% 16.2%
Number of comorbidities (*) 2.03 (1.28) 2.70 (1.20)
Number of medications 5.51 (4.0) 8.26 (3.90)
Social deprivation
 1 (least deprivation) 36.9% 0%
 2 32.0% 87.1%
 3 5.3% 0.6%
 4 10.6% 9.3%
 5 (most deprived) 15.3% 3.0%
CFS > 4   19.2%
RISC level medium high   23.7%
  1. Note: Numeric variables are described as mean (standard deviation) unless otherwise stated. Categorical variables are presented as percentages. (*) out of a list of conditions including cardiovascular disease, cancer, asthma, COPD, diabetes, psychiatric disorders, Parkinson disease, arthritis, and osteoporosis