Ability of SARC-F to Find Probable Sarcopenia Cases in Older Adults

BACKGROUND/OBJECTIVE

In 2018 EWGSOP2 has suggested low muscle strength as the primary parameter of sarcopenia. The consensus has recommended SARC-F questionnaire as a screening test to find cases with low muscle strength which has been designated as probable sarcopenia. We aimed to study the ability of SARC-F to find probable sarcopenia cases in older patients.

DESIGN

Retrospective, cross-sectional.

SETTING

Istanbul University Istanbul Faculty of Medicine.

PARTICIPANTS

A total of 456 older adults (71.1% female, mean age: 74.6±6.6 years).

MEASUREMENTS

We diagnosed probable sarcopenia by EWGSOP 2 criteria, i.e., presence of low handgrip strength (HGS). SARC-F questionnaire was performed by all participants. We used a receiver operating characteristics curve to obtain SARC-F cut-off values to detect probable sarcopenia and calculated the area under the curve and 95% confidence interval (CI).

RESULTS

We included 456 participants (71.1% female; mean age: 74.6 ± 6.6 years). Probable sarcopenia was present in 58 (12.7%). SARC-F cut-off ≥ 2 presented the best balance between sensitivity and specificity (sensitivity: 64.9% vs specificity: 67.9%) to detect probable sarcopenia [the area under the receiver operating characteristics curve (AUC) = 0.710; 95% Cl: 0.660-0.752, p< 0.001]. SARC-F with a cut-off point ≥ 1 had sensitivity 84.2% and specificity 40.5% and SARC-F ≥ 4 had high specificity 88.2% with 40.3% sensitivity.

CONCLUSION

SARC-F is a good screening tool for sarcopenia in practice. Our findings suggest SARC-F ≥ 1 cut-off point to be used as the probable sarcopenia screening tool regarding its high sensitivity. Consequently, SARC-F ≥ 4 cut-off is better to be used if one prefers to exclude probable sarcopenia.

SARC-F Questionnaire Detects Frailty in Older Adults

BACKGROUND/OBJECTIVES

The physical phenotype of frailty, described by Fried et al., shows significant overlap with sarcopenia. EWGSOP2 recommends the SARC-F questionnaire to screen for sarcopenia. Considering common features between both conditions, we aimed to investigate whether the SARC-F questionnaire could also be a valid and reliable tool to screen or evaluate frailty.

DESIGN

Retrospective, cross-sectional.

SETTING

Istanbul University Istanbul Faculty of Medicine.

PARTICIPANTS

A total of 447 older adults (70.7% female, mean age: 74.5±6.6 years).

MEASUREMENTS

Frailty was assessed by the modified Fried scale. SARC-F questionnaire was performed by all participants. We used a receiver operating characteristics curve to obtain SARC-F cut-off values to detect frailty, and calculated the area under the curve and 95% confidence interval.

RESULTS

There were 93 (20.8%) older adults with frailty according to the modified Fried scale. SARC-F cut-off ≥1 had 91.4% sensitivity and 44.9% specificity. SARC-F cut-off ≥2 presented the best balance between sensitivity and specificity (sensitivity: 74.1% vs. specificity: 73.7%) to identify frailty (area under curve: 0.807; 95% confidence interval: 0.76-0.84, p<0.001). SARC-F ≥4 had high specificity of 92.6% with a sensitivity of 46.2%.

CONCLUSION

We suggest that SARC-F ≥1 point can be used to screen for frailty with high sensitivity, and SARC-F ≥4 can be used to diagnose frailty with high specificity. SARC-F may be used to evaluate frailty in usual geriatric practice.

[Outpatient care for the old and very old]

BACKGROUND

Outpatient treatment of elderly patients is the responsibility of the family doctor. In addition to general practitioner care, there are some regionally different models that are currently not established and evaluated in Germany. The investigation presented here aims to contribute to the profiling of outpatient geriatric care in the future.

METHOD

A full survey on the attitude and acceptance of general practitioners towards outpatient geriatrics and a geriatric focus practice was carried out. At the same time, referral and advisory events were systematically recorded and compared.

RESULTS AND CONCLUSION

A geriatric focus practice can complement primary care. It is well accepted by many family doctors if there is a transparent exchange, pilot function and basic family doctor activities remain with the family doctor and he is relieved of the burden on complex patients.