Table 1

Quality checklist
QUESTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
Is the sample representative of patients and practice in region/country?
Was the study prospective?
Did study report the country/year of study?
Did it report the effects of patient characteristics / factors?
- Age
- Gender
- Race
- BMI
- Marital status
- Severity of disease
- Bilateral/Unilateral
- Work status
- Income
- Health insurance
- Education
- Location of residence
- Supply of surgeons
- Other
Did study report attrition?
Did it use a patient reported outcome tool to define need?
If so, did study report:
- Functioning
- Mobility
- Pain
Did the study account for doctor assessed need?

1. Birk and Henriksen, 2006 [54] 2. Birrel et al., 2003 [22] 3. Borkhoff et al., 2008 [55] 4. Boutron et al., 2008 [60] 5. Card et al., 2008 [47] 7. Cross et al., 2000 [79] 13. Ibrahim et al., 2002 [39] 19. Momohara et al., 2007 [23] 26. Yong., et al. 2004 [48].

6. Conner-Spady et al., 2008 [53] 7. Cross et al., 2000 [79] 8. Dunlop et al., 2003 [29] 9. George et al., 2008 [20] 10. Hanchate, 2008 [21] 2. Birrel et al., 2003 [22] 8. Dunlop et al., 2003 [29] 14. Johnson et al., 2008 [61] 20. Quintana et al., 2006 [59] 27. Zeni et al., 2010 [18].

11. Hawker et al., 2006 [26] 12. Hawker et al., 2000 [30] 13. Ibrahim et al., 2002 [40] 14. Johnson et al., 2008 [61] 15. Judge et al., 2010 [28] 3. Borkhoff et al., 2008 [55] 9. George et al., 2008 [20] 15. Judge et al., 2010 [28] 21. Riddle et al., 2009 [78].

16. Juni et al., 2010 [37] 17. Lievense et al., 2007 [19] 18. Linsell et al., 2005 [52] 19. Momohara et al., 2007 [23] 20. Quintana et al., 2006 [59] 4. Boutron et al., 2008 [60] 10. Hanchate, 2008 [21] 16. Juni et al., 2010 [37] 22. Schonberg et al., 2009 [46].

21. Riddle et al., 2009 [78] 22. Schonberg et al., 2009 [46] 23. Steel et al., 2008 [38] 24. Suarez-Almazor et al., 2005 [44] 25. Yong et al., 2004 [48] 5. Card et al., 2007 [47] 11. Hawker et al., 2006 [26] 17. Lievense et al., 2007 [19] 23. Steel et al., 2008 [38].

26. Zeni et al., 2008 [18] 6. Conner-Spady et al., 2008 [53] 12. Hawker et al., 2000 [30] 18. Linsell et al., 2005 [52] 24. Suarez- Almazor et al., 2008.

Mota et al.

Mota et al. BMC Health Services Research 2012 12:225   doi:10.1186/1472-6963-12-225

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