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Table 2 Characteristics of included studies

From: Nonspecific complaints in the emergency department – a systematic review

ArticleStudy typePresenting complaintDefinition for NSCPopulationNSC groupControl groupTotalPrevalence of NSC
Bhalla et al. 2019 [1]Cross-sectional cohortWeakness and fatigueListed in NHAMCS as generalised weakness 1020.0 or tiredness and exhaustion 1015.0Age ≥ 65; All ED visits;6.4% (~ 5.4 million); Age 65–74 years; 4.6%; 75–84 years: 6.5%; age ≥ 85: 7.7%93.6% (~ 79 million)85 million1% of all adults; 6.40% of elderly
Djärv et al. 2015 [4]Retrospective cohortDecreased general conditionAdapt criteria for DGCAge ≥ 18; All ED visits1182; 54% female; 83% ≥65 years old; 57%; ≥80 years old20,775; 52% female; 53% ≥65 years old; 27% ≥80 years old21,9571714 / 89,554; 1.9% of all adults
Lamantia et al. 2010 [32]Retrospective cohortGeneralised weaknessChief complaint independently by two reviewers according to reason for visit classification schema developed for use by the NHAMCS by national centre for health statisticsAge ≥ 75; All ED visitsn/abn/a3188; 60.8% female; median age 82n/a
Quinn et al. 2015 [33]Retrospective cohortNSCAs Nemec et alAge ≥ 70; All ED visits478; 54.8% female; Age avg. 81.9 years, SD 6.19n/an/an/a
Safwenberg et al. 2007 [34]Prospective cohortGeneral disabilityAs Djärv et alAge ≥ 18; Non-surgical ED patients719; median age 82n/a12,995; 51.5% female; median age 665.5% of adult non-surgical
Safwenberg et al. 2008 [35]Prospective cohortGeneral disabilityAs Djärv et alAge ≥ 18; Non-surgical ED patients719; median age 82n/a12,995; 51.5% female; median age 665.5% of adult non-surgical
Sauter et al. 2018 [36]Prospective observationalaNSCAs Nemec et alAge ≥ 18; Admitted to medical ward from ED165; 47.9% female; median age 71546; 44.5% female; median age 69711n/a
Wachelder et al. 2017 [2]Prospective observationalNSCNot specifiedAge ≥ 65; Internal medical patients at the ED244; 50.4% female; Age mean 77.6 (SD 7.3)1540; 54.4% female; Mean age 77.5 (SD 7.7) 244/2381 (9%) of adult medical patients; 244/1883 (14%) of elderly medical patients
Vilpert 2018 [37]Retrospective cohortHome care impossibleLausanne Triage and priority scale category “home care impossible”Age ≥ 65; ED visits excluding nursing home residents5.5% home care impossible; 4.1% failure to thrivean/a39,178; 54.6% female; Mean age 78.5 ± 7.9 years9.6% of elderly community-dwelling
  1. aPost-hoc classification can be questioned to be truly prospective, as the data were obtained previously, and the raters were not blinded to outcomes or diagnoses
  2. bn/a: data not presented in original studies