Table 3.

Adjusted multivariate Cox regression analysis model, with a backward-stepwise approach, of baseline variables associated or not to mortality of oldest old subjects after a 5-year follow-up

	Hazard ratio	95% confidence interval
Lawton index	0.856	0.781–0.914
Charlson index	1.199	1.082–1.330
Barthel index	0.997	0.986–1.009
Spanish version of the	0.984	0.957–1.012
Mini-Mental State Examination
Mini Nutritional Assessment	0.969	0.921–1.098
Tinetti gait scale	0.985	0.914–1.060
Chronic drugs prescription	1.042	0.986–1.101