Table 2

Prevalence of pain and function outcomes by income category

Moderate to severe pain

Moderate to severe functional limitation

Overall knee status


Better

Much better


2 years:

≤ US$35, 000

5.7%

19.6%

10.9%

85.7%

> US$35, 000 to US$45, 000

6.7%

22.9%

8.8%

87.5%

> US$45, 000

8.2%

23.1%

8.5%

87.6%

5 years:

≤ US$35, 000

7.2%

28.0%

9.4%

85.6%

> US$35, 000 to US$45, 000

7.5%

29.7%

9.3%

85.4%

> US$45, 000

8.2%

29.6%

9.7%

84.4%


Singh and Lewallen BMC Medicine 2013 11:62   doi:10.1186/1741-7015-11-62

Open Data