Skip to main content

Table 2 Relative and absolute inter-rater reliability

From: Recommended motor assessments based on psychometric properties in individuals with dementia: a systematic review

 

Variable

Study

Relative inter-rater reliability

Absolute inter-rater reliability

ICC

Rating

Risk of bias

Inconsistency

Imprecision

Indirectness

Quality of evidence

MDC95%

Rating

Risk of bias

Inconsistency

Imprecision

Indirectness

Quality of evidence

Balance

 FR

Distance

1 study of adequate quality (n = 15) [14]

0.79

+

Serious

No

n < 50

No

Very low

Not assessed

 GMWT

Time

1 study of adequate/very good quality (n = 53) [43]

0.99

+

Serious

No

n = 50–100

No

Low

14.5%

?

No

No

n = 50–100

No

Moderate

Number of oversteps

1 study of adequate/very good quality (n = 53) [43]

0.99

+

Serious

No

n = 50–100

No

Low

17.1%

?

No

No

n = 50–100

No

Moderate

 BBS

Score

3/2 studies of adequate/very good quality (n = 101/86) [14, 15, 43]

0.72–0.99

+

No

No

No

No

High

5.9–7.1%

?

No

No

n = 50–100

No

Moderate

Mobility and gait

 TUG

Time

2 studies/1 study of adequate/very good quality (n = 68/53) [14, 43]

0.98–0.99

+

No

No

n = 50–100

No

Moderate

7.9%

+b

No

No

n = 50–100

No

Moderate

 6 m WT

Walking speed

1 study of adequate/very good quality (n = 33) [15]

0.97

+

Serious

No

n < 50

No

Very low

15.7%

+c

No

No

n < 50

No

Low

 4 m WT

Time

1 study of adequate/very good quality (n = 53) [43]

0.82

+

Serious

No

n = 50–100

No

Low

98.0%

-c/↓

No

No

n = 50–100

No

Moderate

Strength

 ACSID

Score

1 study of very good quality (n = 94) [99]

0.85

+

No

No

n = 50–100

No

Moderate

Not assessed

 30s CST

Repetitions

1 study of adequate/very good quality (n = 33) [15]

1.00

+

Serious

No

n < 50

No

Very low

0.0%

?

No

No

n < 50

No

Low

Endurance

 6 min WT

Distance

1 study of adequate quality (n = 33)a [118]

0.97–0.99

+

Serious

No

n < 50

No

Very low

Not assessed

Walking speed

1 study of adequate quality (n = 33)a [118]

0.96–0.98

+

Serious

No

n < 50

No

Very low

Not assessed

  1. 4 m WT 4-m walk test, 6 m WT 6-m walk test, 6 min WT 6-min walk test, 30s CST 30-s chair stand test, ACSID Assessment of Compensatory Sit-to-Stand Maneuvers in People With Dementia, BBS Berg Balance Scale, FR Functional Reach Test, GMWT Groningen Meander Walking Test, ICC Intraclass correlation coefficient, MDC95% Percentage minimal detectable changes at 95% confidence interval, n Total number of participants, TUG Timed Up & Go Test.
  2. Rating according to COSMIN criteria for good measurement properties: + = sufficient, − = insufficient, ? = indeterminate, ↓ = unacceptable absolute inter-rater reliability.
  3. a inter-rater reliability was determined on 2 times of measurement, b minimal important change (TUG) = 10.1 s [17, 119], c minimal important change (walking speed) = 0.21 m/s [17, 119]