Table 2 Frequency of OA and frailty status by country (weighted data^a)

Clinical OA at any site

30.4(28.6-32.2)

19.7(15.4-24.0)

26.0(22.1-29.9)

42.3(36.9-47.7)

34.7(30.3-39.1)

32.7(28.4-37.0)

26.7(22.4-31.0)

<0.001

Hand OA

16.3(14.8-17.8)

11.8(8.4-15.2)

11.6(8.7-14.5)

21.2(16.7-25.7)

19.5(15.9-23.1)

19.2(15.6-22.8)

14.5(11.1-17.9)

<0.001

Hip OA

5.9(5.0-6.8)

0.7(0.3-1.6)

6.9(4.6-9.2)

13.8(10.0-17.6)

4.7(2.8-6.6)

4.6(2.7-6.5)

5.0(2.9-7.1)

<0.001

Knee OA

19.0(17.4-20.6)

10.4(7.1-13.7)

18.3(14.9-21.7)

25.4(20.6-30.2)

23.5(19.6-27.4)

19.7(16.0-23.4)

15.1(11.6-18.6)

<0.001

Frail

10.2(9.0-11.4)

5.6(3.1-8.1)

10.9(8.1-13.7)

12.2(8.6-15.8)

12.6(9.6-15.6)

5.6(3.5-7.7)

15.4(11.9-18.9)

<0.001

Pre-frail

51.0(49.0-53.0)

48.4(43.1-53.7)

47.1(42.6-51.6)

61.9(56.6-67.2)

56.1(51.5-60.7)

42.2(37.6-46.8)

54.8(50.0-59.6)

<0.001

Non-frail

38.8(36.9-40.7)

46.1(40.8-51.4)

42.1(37.7-46.5)

26.0(21.2-30.8)

31.4(27.1-35.7)

52.2(47.6-56.8)

29.8(25.4-34.2)

<0.001