Table 1. Available studies on the relationship between ambulatory blood pressure (ABPM) and frailty.

Author, year	Country	Study design	Sample	Gender (%) mean age	Main findings
Mossello, et al.[11] 2012	Italy	Observational	100 nursing homes residents	64% W 83 ± 10 yrs	Reverse dipping was related to older age.Nocturnal dipping not associated with 1-year mortality
Bastos-Barbosa, et al.[12] 2012	Brazil	Cross-sectional	77 frail, prefrail, and nonfrail subjects	88% W 74 yrs	ABPM: frail group had ↑SBP and DBP values over the 24 h and during sleep than the other groups
Gijón-Conde, et al.[13] 2018	Spain	Cross-sectional	1047 community-living individuals	49% W 72 yrs	Frail subjects: ↓daytime SBP, ↓SBP dipping, and ↑ nighttime SBP compared with non-frail subjects.

ABPM: ambulatory blood pressure monitoring; DBP: diastolic blood pressure; SBP: systolic blood pressure; W: women.