Table 3 Prevalence of fatigue stratified by Newcastle–Ottawa Scale components.

From: Prevalence of fatigue and perceived fatigability in older adults: a systematic review and meta-analysis

Newcastle–Ottawa Component

No. of studies

Prevalence (%)

95%CI (%)

Q-value

P-value

Tau2

Heterogeneity I2 (%)

Sample representativeness

Less

4

40.1

16.9–63.4

1108.2

 < 0.001

0.054

99.4

More

4

44.9

27.8–61.8

134.2

 < 0.001

0.027

95.7

Between groups

   

0.10

0.751

  

Sample size

 < 200 participants

3

47.2

36.2–58.2

3.84

0.146

0.005

48.6

 ≥ 200 participants

5

40.5

19.7–61.3

1204.3

 < 0.001

0.055

99.7

Between groups

   

0.31

0.579

  

Respondent and non-respondent comparability

Less comparable

2

52.7

44.1–61.3

0.57

0.448

 < 0.001

 < 0.001

More comparable

6

40.0

22.7–57.3

1206.8

 < 0.001

0.045

99.5

Between groups

   

1.68

0.195

  

Descriptive Statistics

Less detail

1

46.7

28.8–64.5

0.15

–

 < 0.001

–

More detail

7

42.0

26.7–57.2

1239.6

 < 0.001

0.040

99.4

Between groups

   

0.15

0.696

  

NOS

 < 3

2

52.7

44.1–61.3

0.57

0.448

 < 0.001

 < 0.001

 ≥ 3

6

40.0

22.7–57.3

1206.8

 < 0.001

0.045

99.5

Between groups

   

1.68

0.195

  
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