Table 5.

Coefficients of correlation between the Tilburg Frailty Indicator and sociodemographic and clinical characteristics

Variable	Frailty	Physical component	Psychological component	Social component
Age
Spearman’s rho	0.46	0.52	0.21	0.25
Significance	0.000	0.000	0.031	0.009
Education in years
Spearman’s rho	−0.21	−0.22	−0.17	−0.05
Significance	0.025	0.020	0.082	0.577
Income
Spearman’s rho	0.03	−0.05	0.08	0.10
Significance	0.763	0.571	0.392	0.320
Duration of HF in years
Spearman’s rho	0.37	0.39	0.18	0.28
Significance	0.000	0.000	0.062	0.003
Hospitalizations (n)
Spearman’s rho	0.20	0.12	0.16	0.19
Significance	0.034	0.218	0.091	0.041
NYHA class
Spearman’s rho	0.37	0.31	0.38	0.06
Significance	0.000	0.001	0.000	0.507

Notes: Values shown in bold are statistically significant.

Abbreviations: HF, heart failure; NYHA, New York Heart Association functional class.