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. Author manuscript; available in PMC: 2009 Jun 29.
Published in final edited form as: J Am Geriatr Soc. 2008 Mar 21;56(5):898–903. doi: 10.1111/j.1532-5415.2008.01656.x

Table 2.

Relative Risk of Death According to the Number of Phenotypic Frailty Components

Follow-up
period, yrs
The number of phenotypic frailty components
1 2 3 4 5
3 1.93 (1.38, 2.69) 2.71 (1.88, 3.89) 5.78 (3.90, 8.56) 6.15 (3.31, 11.4) --
4 1.89 (1.45, 2.46) 2.52 (1.88, 3.37) 4.59 (3.30, 6.39) 5.63 (3.39, 9.37) 12.9 (4.01, 41.5)
7 1.53 (1.29, 1.81) 2.14 (1.77, 2.57) 2.95 (2.34, 3.72) 3.92 (2.73, 5.64) 4.63 (1.47, 14.6)
11 1.52 (1.33, 1.73) 1.96 (1.69, 2.28) 2.74 (2.27, 3.31) 3.47 (2.55, 4.74) 2.42 (0.77, 7.57)

The reference category is the group with no positive criteria for frailty

Numbers in parentheses are 95% Confidence Intervals