Table 3.

Adjusted associations between FFP and exercise performance.

Outcome	Fried Frailty Phenotype			p for trend	Decrement in outcome per 1 point increment in FFP score	p-value
	Not frail (score 0–1)	Intermediate (score 2–3)	Frail (score 4)
Watts	Ref (0)	−26.0 (−37.7 to −14.2)	−38.1 (−57.5 to −18.7)	<0.001	−10.7 (−15.6 to −5.8)	<0.001
${\dot{\mathrm{V}}\mathrm{O}}_2$ peak	Ref (0)	−5.5 (−8.1 to −2.9)	−8.4 (−13.7 to −3.1)	<0.001	−2.0 (−3.1 to −0.9)	0.001
Breathing Reserve %	Ref (0)	−2.9 (−12.3 to 6.4)	−1.0 (−11.7 to 13.8)	0.87	−1.0 (−4.6 to 2.5)	0.56
${\dot{\mathrm{V}}}_{\mathrm{E}}$, L/min	Ref (0)	−10.3 (−18.0 to −2.6)	−12.2 (−2.7 to 27.2)	0.10	−4.6 (−7.7 to −1.5)	0.004
Heart rate reserve %	Ref (0)	−11.1 (−5.1 to −17.16)	−10.3 (−0.8 to −19.9)	0.03	−3.0 (−.4 to −5.6)	0.02

Models are adjusted for age, gender, diagnosis, and lung allocation score.