Skip to main content

Table 4 Arthroscopy findings and treatment procedures among patients in the arthroscopy group

From: Knee arthroscopy and exercise versus exercise only for chronic patellofemoral pain syndrome: a randomized controlled trial

   

Kujala score

Arthroscopy findings

Number of arthroscopy findings in 28 knees

Treatment procedures

at baseline, mean (SD)

at 9-month follow-up, mean (SD)

mean change (95% CI)

Articular cartilage lesion; no other findings

     

   Grade I

1

No treatment

52.0

58.0

6.0

   Grade II

4

No treatment

68.0 (11.1)

86.3 (11.0)1

14.8 (9.5 to 20.0)1

   Grade III

8

Shaving

66.1 (13.0)

82.0 (12.5)

15.9 (8.7 to 23.0)

   Grade IV

1

Shaving

51.0

59.0

8.0

Inflamed/scarred plicae; no other findings

4

Resection

73.0 (10.1)

79.8 (8.8)

6.8 (-11.5 to 25.0)

Meniscal lesion; no other findings

1

Partial resection

72.0

52.0

-20.0

Patellar subluxation; no other findings

1

No treatment

71.0

66.0

-5.0

Patellofemoral dysplasia; no other findings

1

Lateral capsular discision

74.0

98.0

24.0

Articular cartilage lesion and inflamed/scarred plicae

1

Shaving and plica partial resection

66.0

93.0

27.0

Articular cartilage lesion and meniscal lesion

1

Shaving and meniscal partial resection

74.0

100.0

26.0

Normal findings

5

No treatment

72.2 (11.7)

89.2 (9.5)

17.0 (1.6 to 32.4)

  1. 1N = 3; one patient lost to 9-month follow-up