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Table 4 Responsiveness: correlations between change scores of mobility measures with change scores of other mobility measures and with global rating of change scales (n = 63)

From: Responsiveness and interpretability of commonly used outcome assessments of mobility capacity in older hospital patients with cognitive spectrum disorders

 

∆ DEMMI

∆ HABAM

∆ POMA

∆ SPPB

∆ Gait speed 1†

∆ 5x chair rise test 2†

∆ 2-min walk test 3†

∆ TUG 4

∆ Barthel Index mobility subscale

∆ FAC

P-GRC-A5

T-GRC-A6

‡

∆ DEMMI

 

0.67*

(0.51  to 0.78)

0.73*

(0.59 to 0.83)

0.44*

(0.22 to 0.62)

0.24

(− 0.13 to 0.55)

− 0.30

(− 0.67 to 0.19)

0.30

(− 0.06 to 0.59)

− 0.33

(− 0.63 to 0.06)

0.74*

(0.60 to 0.83)

0.50*

(0.29 to 0.66)

0.40*

(0.17 to 0.59)

0.30*

(0.05 to 0.51)

6 (55%)

∆ HABAM

  

0.58*

(0.39 to 0.72)

0.20

(− 0.04 to 0.42)

− 0.07

(− 0.42 to 0.3)

0.06

(− 0.42 to 0.51)

0.09

(− 0.27 to 0.43)

− 0.32

(− 0.62 to 0.07)

0.68*

(0.52 to 0.79)

0.39*

(0.16 to 0.58)

0.23*

(− 0.02 to 0.45)

0.34*

(0.09 to 0.55)

4 (36%)

∆ POMA

   

0.46*

(0.25 to 0.63)

0.08

(− 0.29 to 0.43)

0.01

(− 0.46 to 0.47)

0.39*

(0.04 to 0.65)

− 0.41*

(− 0.68 to − 0.04)

0.77*

(0.65 to 0.85)

0.60*

(0.42 to 0.74)

0.25*

(0 to 0.47)

0.28*

(0.03 to 0.50)

4 (36%)

∆ SPPB

    

0.64*

(0.36 to 0.81)

− 0.81*

(− 0.93 to − 0.55)

0.58*

(0.28 to 0.78)

− 0.30

(− 0.61 to 0.09)

0.36*

(0.13 to 0.55)

0.55*

(0.36 to 0.70)

0.28*

(0.04 to 0.49)

0.33*

(0.08 to 0.54)

5 (45%)

∆ Gait speed 1†

     

− 0.66*

(− 0.86 to − 0.28)

0.67*

(0.41 to 0.83)

− 0.47*

(− 0.72 to − 0.12)

− 0.02

(− 0.38 to 0.34)

− 0.10

(− 0.44 to 0.27)

0.32

(− 0.05 to 0.61)

0.03

(− 0.33 to 0.39)

4 (36%)

∆ 5x chair rise test 2†

      

− 0.62*

(− 0.84 to − 0.22)

0.02

(− 0.45 to 0.48)

− 0.57*

(− 0.82 to − 0.14)

− 0.35

(− 0.70 to 0.14)

− 0.49*

(− 0.78 to − 0.03)

− 0.15

(− 0.58 to 0.34)

5 (45%)

∆ 2-min walk test 3†

       

− 0.48*

(− 0.73 to − 0.12)

0.39*

(0.04 to 0.65)

− 0.02

(− 0.37 to 0.34)

0.39*

(0.04 to 0.65)

0.12

(− 0.24 to 0.45)

4 (36%)

∆ TUG 4

        

− 0.44*

(− 0.7 to − 0.07)

− 0.12

(− 0.48 to 0.27)

− 0.19

(− 0.53 to 0.2)

0.17

(− 0.23 to 0.52)

0 (0%)

∆ Barthel Index mobility subscale

         

0.52*

(0.32 to 0.68)

0.25*

(0.00 to 0.47)

0.25*

(0.00 to 0.47)

5 (45%)

∆ FAC

          

0.38*

(0.15 to 0.57)

0.33*

(0.08 to 0.54)

6 (55%)

P-GRC-A5

           

0.45*

(0.22 to 0.63)

NA

T-GRC-A6

            

NA

  1. All correlations are Spearman’s rho with 95% confidence intervals except for correlations between two normally distributed variables, which are Pearson’s r with 95% confidence intervals
  2. DEMMI de Morton Mobility Index, HABAM Hierarchical Assessment of Balance and Mobility, POMA Performance Oriented Mobility Assessment, SPPB Short Physical Performance Battery, TUG Timed Up and Go test, FAC Functional Ambulation Categories, P-GRC-A patient-reported amount of mobility change scale, T-GRC-A therapist-reported amount of mobility change scale, NA not applicable
  3. ∆change score/delta; †normally distributed data; ‡number of confirmed hypotheses
  4. 1 n = 27; 2 n = 15; 3 n = 28; 4 n = 24; 5 n = 61; 6 n = 57
  5. *Indicates statistical significance (one-sided) with P < 0.05
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Health and Quality of Life Outcomes

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