Comparing frailty measures in their ability to predict adverse outcome among older residents of assisted living

BMC Geriatrics

Table 2 Comparison and assessment of agreement among the frailty measures, based on 3-level risk categorization

Comparison¹	Percent of residents with concordance in categorization	Weighted kappa	95% CI
Armstrong Index – Full Frailty Index	51.7	0.41	0.38-0.45
Armstrong Index – CHS Frailty Criteria	57.5	0.29	0.24-0.34
Armstrong Index – CHESS Scale	34.4	0.15	0.12-0.19
Full Frailty Index – CHS Frailty Criteria	38.2	0.17	0.13-0.20
Full Frailty Index – CHESS Scale	51.7	0.36	0.31-0.40
CHS Frailty Criteria – CHESS Scale	30.4	0.11	0.08-0.14

¹All comparisons based on n = 1066 residents except for comparisons involving the CHS Frailty Criteria where n = 927 residents.

ISSN: 1471-2318