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Table 3 Secondary outcomes: Change from Baseline (B) to 6 month (6 M) and 12 month (12 M) assessments (N = 99

From: Multi-centre randomised controlled trial comparing arthroscopic hip surgery to physiotherapist-led care for femoroacetabular impingement (FAI) syndrome on hip cartilage metabolism: the Australian FASHIoN trial

Outcome

Arthroscopy

N = 49

PHT

N = 50

Arthroscopy - PHT

 

n

Mean (SD or 95% CI)

n

Mean (SD or 95% CI)

Unadjusted difference

P-valuea

Adjusted difference (95% CI)

P-valuec

iHOT-33

 Baseline

48

43.5 (17.6)

50

40.4 (20.0)

    

 6 month

44

62.2 (21.2)

42

57.5 (24.9)

    

  Change: 6 M-B

44

18.6 (13.0–24.2)

42

13.3 (7.2–19.3)

5.4

0.194

5.2 (−2.7–13.2)

0.196

 12 month

45

72.9 (21.8)

46

56.8 (28.8)

    

  Change: 12 M-B

45

29.6 (22.9–36.3)

46

15.4 (8.8–22.1)

14.2

0.003

14.7 (5.6–23.9)

0.002

EQ-5D-5L index score

 Baseline

48

0.575 (0.206)

50

0.544 (0.231)

    

 6 month

44

0.703 (0.177)

41

0.682 (0.155)

    

  Change: 6 M-B

44

0.121 (0.068–0.174)

41

0.089 (0.033–0.145)

0.032

0.405

0.026 (−0.035–0.087)

0.398

 12 month

45

0.770 (0.156)

46

0.653 (0.249)

    

  Change: 12 M-B

45

0.194 (0.131–0.256)

46

0.101 (0.033–0.169)

0.093

0.046

0.106 (0.029–0.183)

0.007

EQ5D-VAS

 Baseline

48

68.9 (16.3)

50

68.8 (14.2)

    

 6 month

45

72.7 (16.8)

42

71.7 (16.1)

    

  Change: 6 M-B

45

3.7 (−1.5–9.0)

42

1.3 (−4.4–7.0)

2.4

0.530

1.6 (−4.9–8.1)

0.627

 12 month

45

76.9 (15.2)

46

74.7 (14.6)

    

  Change: 12 M-B

45

7.9 (2.4–13.3)

46

5.8 (1.0–10.6)

2.1

0.570

2.1 (−3.7–7.9)

0.470

HOOS Pain

 Baseline

47

59.4 (18.4)

50

57.4 (18.9)

    

 6 month

45

74.0 (17.8)

45

67.6 (23.5)

    

  Change: 6 M-B

43

13.2 (7.0–19.4)

45

10.9 (5.7–16.1)

2.3

0.567

3.7 (−3.8–11.2)

0.327

 12 month

41

83.9 (16.0)

42

71.3 (19.9)

    

  Change: 12 M-B

41

24.8 (17.7–32.0)

42

11.1 (5.2–17.1)

13.7

0.004

12.9 (5.4–20.5)

0.001

HOOS Symptom

 Baseline

47

49.7 (17.5)

50

50.7 (20.9)

    

 6 month

45

64.4 (19.7)

45

59.8 (25.6)

    

  Change: 6 M-B

43

14.4 (8.3–20.5)

45

8.7 (3.5–13.8)

5.8

0.149

5.3 (−2.3–12.9)

0.168

 12 month

41

73.8 (18.8)

42

63.8 (22.8)

    

  Change: 12 M-B

41

23.2 (16.1–30.3)

42

9.6 (3.4–15.8)

13.5

0.005

11.7 (3.3–20.1)

0.007

HOOS ADL

 Baseline

47

69.2 (18.0)

50

65.9 (20.4)

    

 6 month

45

80.8 (18.2)

45

75.0 (24.0)

    

  Change: 6 M-B

43

11.1 (5.1–17.2)

45

9.2 (4.7–13.6)

2.0

0.591

3.1 (−3.9–10.1)

0.377

 12 month

41

89.7 (14.3)

42

76.6 (21.4)

    

 Change: 12 M-B

41

20.4 (14.6–26.2)

42

7.4 (2.4–12.3)

13.0

0.001

13.0 (6.4–19.7)

0.000

HOOS Sport and Recreation

 Baseline

47

47.9 (22.4)

50

46.9 (23.6)

    

 6 month

45

61.1 (19.9)

45

58.5 (27.9)

    

  Change: 6 M-B

43

12.8 (6.0–19.6)

45

12.5 (5.9–19.1)

0.3

0.951

1.1 (−7.4–9.6)

0.803

 12 month

41

75.2 (17.5)

42

62.5 (25.4)

    

  Change: 12 M-B

41

28.4 (20.7–36.0)

42

13.2 (5.9–20.6)

15.1

0.005

13.7 (4.9–22.4)

0.003

HOOS Quality of Life

 Baseline

47

33.6 (16.1)

50

30.1 (17.6)

    

 6 month

45

47.2 (24.2)

45

42.2 (23.3)

    

  Change: 6 M-B

43

13.4 (6.5–20.2)

45

13.3 (8.4–18.3)

0.0

0.993

0.8 (−7.4–9.1)

0.845

 12 month

41

62.7 (25.3)

42

46.0 (24.3)

    

 Change: 12 M-B

41

29.3 (21.7–36.8)

42

15.6 (8.4–22.9)

13.6

0.010

14.9 (4.9–24.8)

0.004

MAX MRI alpha angle

 Baseline

47

70.2 (11.9)

49

70.6 (15.6)

    

 12 month

43

62.7 (16.9)

41

69.2 (16.2)

   

0.039b

  Change: 12 M-B

43

−7.5 (−11.4 - -3.6)

40

−0.1 (−1.2–1.0)

−7.4

0.001

−7.4 (−11.6 - -3.3)

0.001

Radiographic (Hip2Norm) Measures

 Total AP anterior coverage

  Baseline

47

27.2 (8.2)

50

24.7 (6.2)

    

  12 month

42

26.7 (5.9)

43

25.2 (6.0)

    

   Change: 12 M-B

42

−0.2 (−2.1–1.7)

43

0.9 (−1.4–3.2)

− 1.1

0.452

0.4 (−1.9–2.7)

0.706

 Total AP posterior coverage

  Baseline

47

47.4 (8.1)

50

45.0 (8.3)

    

  12 month

42

47.0 (8.5)

43

44.6 (8.8)

    

   Change: 12 M-B

42

−0.7 (−1.8–0.5)

43

−0.4 (−2.6–1.8)

−0.3

0.820

0.2 (−2.2–2.6)

0.845

 Total Femur coverage

  Baseline

47

82.4 (7.6)

50

81.0 (7.3)

    

  12 month

42

79.8 (6.7)

43

81.0 (6.7)

    

   Change: 12 M-B

42

−2.4 (−5.0–0.2)

43

0.3 (−1.6–2.2)

−2.7

0.097

−1.8 (−4.4–0.7)

0.153

LCE

 Baseline

47

37.1 (5.4)

50

34.7 (6.6)

    

 12 month

42

34.2 (6.2)

43

34.0 (5.6)

    

  Change: 12 M-B

42

−2.9 (−4.3 - -1.5)

43

−0.4 (−1.4–0.7)

−2.5

0.005

−1.8 (−3.5 - − 0.2)

0.031

Acetabular Index

 Baseline

47

2.5 (4.2)

50

4.7 (4.8)

    

 12 month

42

4.0 (5.0)

43

5.4 (4.4)

    

  Change: 12 M-B

42

1.2 (0.1–2.4)

43

1.0 (−0.2–2.1)

0.3

0.728

-0.2 (−1.7–1.3)

0.790

ACM angle

 Baseline

47

45.0 (2.5)

50

44.7 (3.6)

    

 12 month

42

44.6 (2.8)

43

44.7 (3.1)

    

  Change: 12 M-B

42

−0.3 (−1.1–0.5)

43

0.0 (−0.8–0.9)

−0.3

0.598

−0.2 (− 1.2–0.8)

0.688

Extrusion Index

 Baseline

47

15.0 (4.5)

50

17.0 (5.7)

    

 12 month

42

18.2 (5.2)

43

17.4 (4.9)

    

  Change: 12 M-B

42

3.3 (1.9–4.7)

43

0.1 (−0.8–1.1)

3.2

0.000

2.5 (0.9–4.0)

0.002

Retroversion Index

 Baseline

47

11.3 (12.8)

50

14.7 (14.4)

    

 12 month

42

9.3 (10.7)

43

11.3 (14.3)

    

  Change: 12 M-B

42

−0.8 (−3.9–2.2)

43

−2.5 (−6.7–1.7)

1.6

0.527

0.0 (− 4.6–4.6)

0.997

  1. iHOT-33 International Hip; Hip Osteoarthritis MRI Scoring System (HOAMS)
  2. aPaired t-test
  3. bWilcoxon rank-sum test
  4. cBased on regression model including adjustment for baseline
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