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Table 2 Prevalence of knee and hip osteoarthritis by age and sex

From: Osteoarthritis prevalence and modifiable factors: a population study

 

Males 49.9 % (N = 2364)

Females 50.0 % (N = 2367)

Differential significance between sexes, p

Knee osteoarthritis a

All ages

6.3 (146)

8.9 (206)

0.001

18–44

1.5 (17)

1.7 (19)

0.651

45–64

8.1 (62)

10.9 (78)

0.063

>65

18.8 (61)

24.3 (97)

0.069

Hip osteoarthritis a

All ages

4.4 (102)

7.6 (176)

<0.001

18–44

1.3 (15)

0.7 (7)

0.119

45–64

4.7 (36)

8.5 (61)

0.003

>65

14.2 (47)

24.6 (99)

<0.001

Knee osteoarthritis b

All ages

4.4 (23)

6.7 (33)

0.112

18–44

3.2 (8)

1.1 (3)

0.121

45–64

3.9 (7)

9.5 (15)

0.042

>65

10.3 (8)

17.2 (14)

0.210

Hip osteoarthritis b

All ages

2.9 (15)

4.1 (20)

0.325

18–44

2.8 (7)

0.3 (1)

0.030

45–64

2.0 (4)

5.5 (9)

0.090

>65

6.1 (5)

13.0 (10)

0.145

Knee OR Hip osteoarthritis b

All ages

6.5 (34)

8.8 (43)

0.173

18–44

5.1 (12)

1.5 (3)

0.025

45–64

5.9 (11)

12.0 (19)

0.049

>65

13.4 (10)

24.4 (19)

0.085

  1. Data are based on weighted estimates
  2. aValues reported are self-reported data based on phone interviews
  3. bValues reported are based on robust values. Robust values represent participants responding ‘yes’ to having OA through both the phone survey and clinic survey, and indicating their OA was diagnosed by a general practice physician or rheumatologist