| Author, year; frailty cut point | Physical performance tests | Cognition function | Mood-self-report | Metrics | Self-report questionnaire |
| Andreasen et al., 2015; frailty = 5/15 | | | | | TFI: physical domain (feeling healthy, weight loss, vision, hearing, walking, balance, hand strength, tiredness), psychological domain (memory, mood, anxiety, coping), social domain (living alone, social isolation, social support) |
| Claassens et al., 2014; frailty = 2/6 | Grip strength, vision, hearing | MMSE | | BMI | Physical activity |
| Hammar et al., 2014; frailty = 3/8 indicators | Grip strength, gait speed, balance, vision | MMSE | | | Endurance/physical activity, fatigue, weight loss |
| Jett, 2002; 2003 frailty cut point = one ADL deficit | | | | | ADL and IADL, measurement not specified |
| Kuo et al., 2012; frailty cut point not specified | Barthel index for ADL, IADL, grip strength, timed up-and-go test, vision, hearing, paper folding test, spirometry | MMSE | GDS | BMI, waist-hip ratio, body fat composition | Incontinence |
| Niesten et al., 2012, 2013; slight, moderate, severe frailty based on level of care needed | | Behavior disorders, psychosocial function | | | Motor function, mobility, personal care needed, medical care needed, hours of care needed per week; social coping |
| Porter et al., 1999, 2001; measurement not specified | | | | | Inability to walk 10 blocks, need for assistance to climb stairs, need for assistive device to walk |
| Puts et al., 2007, 2009; frailty = 3/8 indicators | Peak expiratory flow | | Depression, CES-D | BMI | Physical activity, vision, hearing, incontinence, sense of mastery |
| Schoenborn et al., 2018; frailty = 3/5 indicators | Hand grip strength, gait speed | MMSE | | | Physical activity, weight loss, exhaustion, health literacy, numeracy, self-reported health status |
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Note: ADL: activities of daily living (controlling bowel and bladder, grooming, toileting, feeding, transferring, walking, bathing, climbing stairs, and dressing); IADL: instrumental activities of daily living (telephone use, meal prep, money & medication management, light & heavy housekeeping, shopping, and local travel); BMI: body mass index; CES-D: Center for Epidemiologic Studies Depression Scale; MMSE: Mini-Mental State Exam; GDS: Geriatric Depression Scale; TFI: Tilburg Frailty Indicator.
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