Feasibility and acceptability of commonly used screening instruments to identify frailty among community-dwelling older people: a mixed methods study

Table 3 Item Completion for index tests and reference standards (N = 243)

Instrument	No. total individual items required for calculation of instrument^a	Participants with all data items complete n (%)	Participants with > 10% data items missing n (%)
Index tests: Nurse-Administered
Edmonton Frail Scale	11	238 (97.9)	1 (0.4)
Frail Questionnaire	16	237 (97.5)	2 (0.8)
Gait Speed	2	239 (98.4)	4 (1.6)
Groningen Frailty Index	15	243 (100.0)	0 (0.0)
PRISMA-7	7	240 (98.8)	3 (1.2)
Index tests: Self-Administered
Kihon Checklist	26	166 (68.3)	14 (5.8)
Reported Edmonton Frail Scale	13	221 (90.9)	6 (2.5)
Reference standards
Modified Adelaide Frailty Index	39	240 (98.8)	1 (0.4)
Frailty Phenotype	15	235 (96.7)	4 (1.7)

Note. ^a Frail Questionnaire: Includes weight one year ago, weight today as 2 items. Kihon Checklist: Includes self-reported height and weight for BMI calculation as 2 items. Gait Speed: Measured over two attempts = 2 items. Frailty Phenotype: Shrinking (1 item); Exhaustion (2 items); Gait Speed (1 item); Grip Strength: 3 attempts (3 items) plus height, weight, gender (3 items), Physical Activity (5 items)

ISSN: 1471-2318