Table 2 Subgroup analyses of the prevalence of frailty in older MHD patients

Assessment tools

Comprehensive screening tool

6

774

< 0.001

74.4%

0.39

0.32–0.43

Physical

screening tool

10

1672

< 0.001

95.5%

0.43

0.32–0.56

Area

Asia

12

2007

< 0.001

94.6%

0.40

0.31–0.50

Other area

4

439

< 0.001

86.7%

0.44

0.32–0.58

Age

Age > 70

9

993

< 0.001

92.1%

0.45

0.34–0.55

Age ≤ 70

7

1453

< 0.001

94.9%

0.37

0.26–0.48

Research type

Cross-sectional

10

1709

< 0.001

93.1%

0.38

0.29–0.46

Cohort

6

737

< 0.001

93.4%

0.47

0.33–0.62

Sex

Female < 50%

12

1752

< 0.001

94.0%

0.42

0.33–0.52

Female ≥ 50%

4

694

< 0.001

96.0%

0.39

0.19–0.58