Table 1 The ASIR of hip osteoarthritis in 1990 and 2019 and its temporal trends

Overall

17.02 (12.67–22.04)

0.94

18.70 (13.98–24.19)

0.96

0.32 (0.29–0.34)

< 0.001

Sex

Male

16.50 (12.33–21.35)

NA

18.35 (13.73–23.77)

NA

0.31 (0.28–0.33)

< 0.001

Female

17.48 (12.96–22.67)

NA

19.03 (14.27–24.28)

NA

0.33 (0.30–0.37)

< 0.001

Region

East Asia

8.34 (6.13–10.84)

1.15

11.39 (8.40–14.82)

1.18

1.22 (1.11–1.33)

< 0.001

Southeast Asia

10.50 (7.78–13.66)

1.14

12.51 (9.29–16.20)

1.21

0.65 (0.62–0.67)

< 0.001

Oceania

12.40 (9.03–16.02)

1.19

13.60 (9.99–17.61)

1.15

0.20 (0.09–0.31)

< 0.001

Central Asia

18.58 (13.81–24.09)

1.18

20.90 (15.56–27.06)

1.18

0.36 (0.33–0.40)

< 0.001

Central Europe

20.22 (15.03–26.06)

1.21

23.28 (17.31–30.11)

1.14

0.48 (0.47–0.49)

< 0.001

Eastern Europe

20.03 (14.84–25.89)

1.51

23.10 (17.24–29.82)

1.42

0.49 (0.47–0.51)

< 0.001

High–income Asia Pacific

21.65 (16.00–28.02)

1.03

23.72 (17.57–30.75)

0.97

0.30 (0.23–0.36)

< 0.001

Australasia

29.20 (21.66–37.86)

0.93

38.74 (28.74–49.96)

0.95

0.98 (0.90–1.07)

< 0.001

Western Europe

33.44 (24.94–43.01)

0.87

38.36 (28.41–49.67)

0.85

0.51 (0.44–0.57)

< 0.001

Southern Latin America

26.19 (19.21–33.70)

0.91

34.70 (25.79–44.66)

0.97

0.96 (0.86–1.07)

< 0.001

High-income North America

40.04 (29.84–51.77)

0.86

50.23 (39.07–62.80)

0.85

0.59 (0.48–0.69)

< 0.001

Caribbean

14.22 (10.59–18.29)

1.11

16.66 (12.30–21.59)

1.16

0.62 (0.57–0.67)

< 0.001

Andean Latin America

13.38 (9.84–17.36)

1.07

16.52 (12.22–21.49)

1.16

0.73 (0.69–0.76)

< 0.001

Central Latin America

13.13 (9.74–17.07)

1.19

15.12 (11.18–19.66)

1.23

0.20 (0.10–0.30)

< 0.001

Tropical Latin America

14.14 (10.49–18.32)

1.14

17.14 (12.76–22.16)

1.22

0.70 (0.68–0.73)

< 0.001

North Africa and Middle East

11.14 (8.32–14.39)

1.18

13.79 (10.31–17.65)

1.14

0.65 (0.60–0.70)

< 0.001

South Asia

9.74 (7.25–12.62)

0.68

12.36 (9.26–16.02)

0.69

0.96 (0.81–1.11)

< 0.001

Central Sub-Saharan Africa

14.74 (10.86–18.98)

1.09

15.89 (11.71–20.59)

1.15

0.19 (0.14–0.23)

< 0.001

Eastern Sub-Saharan Africa

14.53 (10.77–18.84)

1.11

16.44 (12.16–21.34)

1.25

0.46 (0.43–0.48)

< 0.001

Southern Sub-Saharan Africa

20.17 (14.85–26.18)

1.73

23.08 (16.97–30.23)

1.94

0.48 (0.47–0.50)

< 0.001

Western Sub-Saharan Africa

13.96 (10.33–18.11)

1.10

14.78 (10.91–19.17)

1.11

0.02 (–0.11–0.15)

0.724

Sociodemographic index

High SDI

31.34 (23.35–40.44)

0.89

36.94 (27.85–46.83)

0.86

0.50 (0.47–0.53)

< 0.001

High-middle SDI

17.35 (12.89–22.56)

1.09

18.53 (13.85–24.07)

1.07

0.25 (0.22–0.29)

< 0.001

Middle SDI

10.43 (7.76–13.51)

1.10

12.70 (9.44–16.41)

1.03

0.87 (0.78–0.95)

< 0.001

Low-middle SDI

10.23 (7.62–13.25)

0.85

12.61 (9.43–16.29)

0.85

0.85 (0.74–0.95)

< 0.001

Low SDI

11.95 (8.88–15.41)

0.94

12.80 (9.55–16.52)

0.88

0.46 (0.37–0.54)

< 0.001