Table 3 Age and sex stratified prevalence of sarcopenia screened by finger-circle test in Settsu and Hannan

 40–49 years

1104

8.7 (7.0 to 10.4)

8.8 (7.1 to 10.5)

701

8.3 (6.2 to 10.3)

8.4 (6.3 to 10.4)

 50–59 years

965

8.5 (6.7 to 10.3)

8.5 (6.8 to 10.3)

785

9.3 (7.3 to 11.3)

9.4 (7.4 to 11.4)

 60–69 years

1343

12.3 (10.5 to 14.0)

12.1 (10.4 to 13.9)

1088

10.1 (8.3 to 11.9)

10.4 (8.6 to 12.2)

 70–79 years

1488

17.6 (15.7 to 19.5)

17.7 (15.8 to 19.6)

1144

16.4 (14.3 to 18.6)

16.5 (14.4 to 18.7)

  ≥ 80 years

400

21.8 (17.7 to 25.8)

23.7 (19.5 to 27.8)

319

22.9 (18.3 to 27.5)

22.6 (18.0 to 27.2)

 Overall

5300

13.1 (12.1 to 14.0)

12.9 (12.0 to 13.8)

4037

12.4 (11.4 to 13.5)

12.8 (11.7 to 13.8)

 40–49 years

646

9.4 (7.2 to 11.7)

9.5 (7.2 to 11.7)

378

9.5 (6.6 to 12.5)

9.9 (6.9 to 12.9)

 50–59 years

553

10.5 (7.9 to 13.0)

10.5 (8.0 to 13.1)

413

8.7 (6.0 to 11.4)

9.0 (6.2 to 11.7)

 60–69 years

713

13.2 (10.7 to 15.7)

13.1 (10.6 to 15.5)

578

10.7 (8.2 to 13.2)

10.7 (8.2 to 13.2)

 70–79 years

717

16.3 (13.6 to 19.0)

16.6 (13.9 to 19.3)

559

16.5 (13.4 to 19.5)

16.4 (13.3 to 19.4)

  ≥ 80 years

175

26.3 (19.8 to 32.8)

30.5 (23.7 to 37.3)

144

23.6 (16.7 to 30.5)

21.4 (14.7 to 28.1)

 Overall

2804

13.4 (12.1 to 14.7)

13.6 (12.3 to 14.9)

2072

12.5 (11.1 to 14.0)

12.6 (11.2 to 14.1)

 40–49 years

458

7.6 (5.2 to 10.1)

7.8 (5.4 to 10.3)

323

6.8 (4.1 to 9.6)

7.2 (4.4 to 10.0)

 50–59 years

412

5.8 (3.6 to 8.1)

6.0 (3.7 to 8.3)

372

9.9 (6.9 to 13.0)

10.1 (7.0 to 13.2)

 60–69 years

630

11.3 (8.8 to 13.7)

11.0 (8.6 to 13.5)

510

9.4 (6.9 to 11.9)

9.7 (7.1 to 12.3)

 70–79 years

771

18.8 (16.0 to 21.6)

19.1 (16.4 to 21.9)

585

16.4 (13.4 to 19.4)

16.5 (13.5 to 19.5)

  ≥ 80 years

225

18.2 (13.2 to 23.3)

21.4 (16.1 to 26.8)

175

22.3 (16.1 to 28.5)

21.6 (15.5 to 27.7)

 Overall

2496

12.7 (11.4 to 14.0)

12.4 (11.1 to 13.7)

1965

12.3 (10.9 to 13.8)

12.6 (11.2 to 14.1)