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Table 1 Evaluated parameters that differentiate frailty levels

From: An evaluation of the 30-s chair stand test in older adults: frailty detection based on kinematic parameters from a single inertial unit

PARAMETERS

Frail vs Pre-Frail

Frail vs Healthy

Pre-Frail vs Healthy

Cycles-matched

Cycles number

YES

YES

YES

NO

IMPULSE PHASE

    

Duration

YES

YES

YES

NO

Normalized duration

NO

YES

YES

NO

X-orientation range

YES

YES

YES

NO

STAND-UP PHASE

    

X-orientation range

YES

YES

NO

YES

Minimum peak Z-acc.

YES

YES

YES

NO

Maximum Z-acc. peak

NO

YES

YES

NO

AUCZacc

YES

YES

YES

NO

AUC+Zacc

YES

YES

YES

NO

AUC-Zacc

YES

YES

YES

YES

AUCZacc

NO

YES

YES

NO

Maximum Z-velocity peak

YES

YES

YES

YES

Maximum Z-velocity peak

YES

YES

YES

YES

SIT-TO-STAND PHASE

    

Minimum Z-acc. peak

YES

YES

YES

NO

Maximum Z-acc. peak

NO

YES

YES

NO

AUC+Zacc

YES

YES

YES

YES

AUC-Zacc

NO

YES

YES

NO