The feasibility and reliability of measuring forearm muscle thickness by ultrasound in a geriatric inpatient setting: a cross-sectional pilot study

Meza-Valderrama, Delky; Sánchez- Rodríguez, Dolores; Perkisas, Stany; Duran, Xavi; Bastijns, Sophie; Dávalos-Yerovi, Vanesa; Da Costa, Elizabeth; Marco, Ester

doi:10.1186/s12877-022-02811-3

Table 1 The intra- and inter-rater agreement

From: The feasibility and reliability of measuring forearm muscle thickness by ultrasound in a geriatric inpatient setting: a cross-sectional pilot study

	Rater A				Rater B				Rater C
Patients (> 70 y)	A1	A2	A3	Mean A	B1	B2	B3	Mean B	C1	C2	C3	Mean C	Mean ABC
1	12.5	12.5	10.6	11.9	11.1	10.8	11.9	11.3	9.2	10.2	9.7	9.7	10.9
2	13.3	14.5	13.6	13.8	14.7	14.9	13.3	14.3	15.3	14.3	15.2	14.9	14.3
3	16.8	17.6	17.1	17.2	18.6	17.2	17.0	17.6	18.2	18.0	17.8	18	17.6
4	11.8	12.5	12.0	12.1	16.3	16.5	16.4	16.4	14.8	15.2	15.3	15.1	14.5
5	12.0	12.6	12.2	12.3	10.5	11.3	11.5	11.1	12.4	13.0	13.5	13.0	12.1
6	13.7	14.1	14.4	14.1	17.4	17.5	17.8	17.6	18.1	18.8	17.0	18.0	16.5
7	14.7	13.2	13.2	13.7	17.3	17.1	16.3	16.9	17.1	17.3	17.3	17.2	15.9
8	12.6	14.0	13.5	13.4	14.9	15.0	13.9	14.6	14.7	14.6	14.6	14.6	14.2
9	10.2	12.2	12.6	11.7	14.3	14.3	13.1	13.9	13.3	14.6	14.3	14.1	13.2
10	14.2	15.0	14.7	14.6	14.1	14.8	13.6	14.2	15.8	14.3	15.8	15.3	14.7
11	10.6	10.1	9.3	10.0	10.8	12.6	12.6	12.0	14.8	18.1	17.9	16.9	13.0
12	12.2	10.7	11.3	11.4	12.0	10.5	12.2	11.6	14.1	10.6	10.9	11.83	11.6
Volunteers (< 50 y)	A1	A2	A3	Mean A	B1	B2	B3	Mean B	C1	C2	C3	Mean C	Mean ABC
1	16.5	17.1	16.3	16.6	19.9	18.8	18.4	19.0	24.4	22.4	24.3	23.7	19.8
2	14.2	14.4	17.6	15.4	14.9	16.0	14.8	15.2	14.2	14.8	14.6	14.5	15.1
3	18.2	17.3	17.4	17.6	17.0	16.8	17.3	17.0	21.8	22.2	22.0	22.0	18.9
4	17.5	17.6	19.5	18.2	18.5	18.5	19.7	18.9	19.5	19.5	20.1	19.7	18.9
5	17.4	16.8	16.8	17.0	15.9	16.6	16.4	16.3	16.2	17.8	18.2	17.4	16.9
6	17.7	17.3	16.7	17.2	17.3	16.8	18.4	17.5	18.0	18.0	18.9	18.3	17.7
7	18.5	17.0	18.8	18.1	19.0	18.9	18.9	18.9	19.5	19.4	19.3	19.4	18.8
8	25.3	24.7	23.3	24.4	25.7	25.3	25.8	25.6	25.8	24.7	25.6	25.4	25.1
9	17.1	16.2	15.9	16.4	18.0	18.2	16.3	17.5	22.0	23.1	21.6	22.2	18.7
10	17.6	17.6	17.3	17.5	17.7	17.8	17.7	17.7	17.7	18.0	18.1	17.9	17.7
11	19.9	20.4	19.1	19.8	19.8	21.1	21.1	20.7	17.1	21.5	21.1	19.9	20.1
12	13.9	13.2	13.5	13.5	16.4	15.6	15.5	15.8	15.2	14.4	14.5	14.7	14.7
13	17.6	15.0	16.6	16.4	17.5	18.0	17.9	17.8	16.7	16.6	16.2	16.5	16.9

Legend: Muscle thickness of forearm in older patients and healthy volunteers, measured by three novice raters using ultrasound

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