Table 6.

Log-likelihood ratio tests for each regression nested model showed in Tables 3, 4 and 5

	Cross-sectional analysis		At follow-up
	Frailty measured with the Frailty Index	Frailty measured with the FTS5	Frailty measured with the Frailty Index	Frailty measured with the FTS5
Regression results from Table 3
M2 vs M1	359.82***		288.96***
M3 vs M2	318.80***	323.05***	294.07***	255.98**
M4 vs M3	358.93***	367.01***	287.63***	299.02***
Regression results from Table 4
M2 vs M1	263.48***	269.01***	270.07***	277.27***
M3 vs M2	272.31***	281.09***	286.12***	292.37***
M4 vs M3	288.82***	295.72***	290.69***	297.99***
Regression results from Table 5
M2 vs M1	301.98***	321.14***	318.68***	326.79***
M3 vs M2	310.45***	333.37***	335.09***	341.20***

FTS5 Frailty Trait Scale 5, M Model

*** p < 0.001, ** p < 0.01, * p < 0.05