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Table 6 MDC90 and MCID estimates for the EMS, HABAM and PPME

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

  MDC90 MDC90 % of scale width MCID MCID % of scale width
EMS (0 – 20) 3* 15.0% 2 10.0%
HABAM** (0 – 24) 5.1 21.3% 4.5 18.8%
PPME (0 – 6) 0.42 7% 0.9 15.0%
PPME (0 – 12) 0.7 – 1.07 5.8% – 8.9% 1.15 – 2.15 9.6% – 17.9%
  1. * Bland and Altman 'limit of agreement' [18], MDC90 could not be estimated for the EMS.
  2. ** original version of the HABAM. Data not available for the Rasch refined HABAM.