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Table 2 Working activity according to the REFA classification

From: Sporting activity is reduced following medial reefing performed for patellar dislocation

REFA

REFA pre-injury

REFA at follow-up

Group 1

Group 2

Group 3

Group 1

Group 2

Group 3

Grade 0

63.5% (47)

52.3% (23)

69.2% (18)

54.1% (40)

40.9% (18)

57.7% (15)

Grade 1

23.0% (17)

36.4% (16)

30.8% (8)

28.4% (21)

45.5% (20)

42.3% (11)

Grade 2

6.8% (5)

9.1% (4)

0.0% (0)

10.8% (8)

2.3 (1)

0% (0)

Grade 3

5.4% (4)

0.0% (0)

0.0% (0)

5.4% (4)

6.8% (3)

0% (0)

Grade 4

1.4% (1)

2.3% (1)

0.0% (0)

1.4% (1)

4.5% (2)

0% (0)

  1. Grade 0: No employment