Mortality risks of body mass index and energy intake trajectories in institutionalized elderly people: a retrospective cohort study

Table 1 Baseline clinical characteristics of the 218 elderly people by the survival duration (months)

	6 to <12 months			12 to <36 months			36 to <60 months			≥60 months			P-value *
	n = 29			n = 85			n = 53			n = 51			P-value *
Age at admission (years)	87	±	6	86	±	8	86	±	8	85	±	7	0.9091
Age at death (years)	87	±	7	88	±	8	90	±	8	91	±	7	0.0205
Women (%)	59			78			83			90			0.0105
Height (cm)	156	±	9	152	±	8	150	±	8	150	±	7	0.0022
BW (kg)	44.6	±	7.5	42.7	±	8.3	42.4	±	8.2	45.9	±	9.0	0.1003
BMI (kg/m²)	18.3	±	2.7	18.5	±	3.0	18.8	±	2.7	20.5	±	3.9	0.0022
EI (kcal/day)	1,055	±	345	1,256	±	235	1,241	±	271	1,385	±	191	<0.0001
EI per BW (kcal/kg/day)	24.0	±	8.2	30.3	±	7.6	29.8	±	6.8	31.2	±	6.8	0.0003

Data are the mean ± standard deviation or n (%)
^*P-value for one-way analysis of variance. Sex was analyzed using the Fisher’s exact test
BMI Body mass index, BW Body weight, EI energy intake

ISSN: 1471-2318