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Table 3 Inter-rater and intra-rater reliability for the EMS

From: A systematic review of mobility instruments and their measurement properties for older acute medical patients

Author Population and test procedures Reliability data provided
Inter-rater reliability
Smith [22] 15 inpatients or day hospital patients, 78 to 93 years were independently assessed by two assessors. Inadequate data provided to estimate reliability.
Prosser et al. [32] 19 older acute medical patients aged 71 to 91 years, independently assessed by two assessors. Assessors were blinded to the other assessor scores. Spearman's correlation coefficient between assessor scores, r = 0.88, p < 0.0001.
Cuijpers et al. [31] A video recorded assessment of 28 hospitalised frail older patients rated by two independent assessors (Dutch version of the EMS). Patient age was not provided in the English abstract. Inter-rater reliability ICC 0.95 – 0.97 (p value not provided in the published abstract).*
Bland and Altman limit of agreement of 3 points.
Intra-rater reliability
Cuijpers et al. [31] A video recorded assessment of 28 hospitalised frail older patients rated by two independent assessors (Dutch version of the EMS). Patient age was not provided in the English abstract. Intra-rater reliability ICC 0.97 (p value not provided in the published abstract).*
Bland and Altman limit of agreement = 3 points.
  1. ICC = intraclass correlation coefficient
  2. * the type of ICC employed was not reported