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Table 1 Variables tested in study

From: Do psychological factors or radiographic severity play a role in the age of onset in symptomatic developmental dysplasia of hip and femoroacetabular impingement syndrome?

Variables Tested

1. Sex (Male vs Female)

2. BMI (> 30 kg/m2 vs. ≤30 kg/m2)

3. Side of Lesion (Left vs Right)

4. Prior Hip Surgery (Yes vs No)

5. Tonnis Grade (Grade 1 vs. Grade 0)

6. Tonnis Angle (°)

7. Anterior Center Edge Angle (°)

8. Lateral Center Edge Angle (°)

9. Alpha Dunn Angle (°)

10. Alpha Frog Angle (°)

11. International Hip Outcome Tool (iHOT): 0–100; 0 = lowest quality of life; 100 = highest quality of life

12. Hip Outcome Score (HOS): %0–100; %0 = greatest difficulty; %100 = lowest difficulty

13. UCLA Activity Score: 0–10; 0 = no activity; 10 = greatest activity

14. Pain Catastrophizing Score (PCS): 0–52; 0 = lowest level of catastrophizing; 52 = greatest level of catastrophizing

15. SF-12 Physical Functioning Subscale Score: 0–100;0 = lowest physical functioning level; 100 = greatest physical functioning level

16. SF-12 Physical Health Subscale Score:0–100;0 = lowest physical health; 100 = greatest physical health

17. Hospital Anxiety and Depression Scale: 0–21; 0 = lowest level of anxiety/ depression; 21 = highest level of anxiety/depression

18. WOMAC Pain Subscale Score: 0–40;0 = greatest pain level; 40 = lowest pain level

19. WOMAC Total Score:0–160;0 = greatest functional impairment; 160 = lowest functional impairment