Table 3

One-year outcomes* associated with frailty measures, Risk Ratios (95% Confidence Intervals)
Frailty model Death Hospitalization Move to Long-Term care
(170 events)1 (424 events)1 (204 events)1
Armstrong Index Unadjusted Prefrail 1.23 (0.63-2.44) 0.93 (0.69-1.24) 2.25 (1.00-5.08)
N = 1,066 Frail 2.27 (1.09-4.32) 1.23 (0.94-1.63) 4.21 (1.91-9.25)
Adjusted2 Prefrail 1.17 (0.59-2.29) 0.91 (0.68-1.22) 2.21 (0.98-4.99)
Frail 1.94 (1.02-3.70) 1.16 (0.87-1.53) 4.14 (1.87-9.14)
Full Frailty Index Unadjusted Prefrail 2.22 (1.47-3.34) 1.44 (1.19-1.74) 1.85 (1.26-2.72)
N = 1,066 Frail 2.69 (1.78-4.07) 1.33 (1.09-1.63) 3.30 (2.30-4.75)
Adjusted2 Prefrail 2.00 (1.33-3.00) 1.37 (1.13-1.66) 1.87 (1.27-2.75)
Frail 2.35 (1.56-3.54) 1.28 (1.04-1.57) 3.30 (2.29-4.76)
CHS Criteria1 Unadjusted Prefrail 1.04 (0.59-1.81) 1.10 (0.84-1.43) 1.54 (0.95-2.51)
N = 927 Frail 2.25 (1.40-3.61) 1.60 (1.27-2.02) 2.21 (1.41-3.46)
Adjusted2 Prefrail 0.88 (0.51-1.54) 1.06 (0.82-1.38) 1.49 (0.91-2.43)
Frail 1.74 (1.07-2.81) 1.45 (1.15-1.83) 2.17 (1.38-3.41)
CHESS Scale Unadjusted Intermediate 1.48 (1.04-2.09) 1.31 (1.10-1.56) 1.33 (0.98-1.81)
N = 1,066 High 2.13 (1.53-2.96) 1.32 (1.10-1.58) 1.84 (1.38-2.47)
Adjusted2 Intermediate 1.38 (0.98-1.94) 1.27 (1.07-1.51) 1.33 (0.98-1.82)
High 1.87 (1.35-2.59) 1.25 (1.05-1.50) 1.87 (1.39-2.50)

*Robust (not frail or low risk for decline) used as reference category.

1For CHS analysis the number of events for death, hospitalization, and move to long-term care were 142, 375, and 172 respectively.

2Adjusted for age, sex, and co-morbidity (Charlson co-morbidity index score).

Hogan et al.

Hogan et al. BMC Geriatrics 2012 12:56   doi:10.1186/1471-2318-12-56

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