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Table 1 Distribution of patients according to the Wiberg and Dejour classification (N = 50)

From: Radiographic measurement of the congruence angle according to Merchant: validity, reproducibility, and limits

Classification

n

%

Wiberg (patellar dysplasia)

 1

8

8

 2

74

74

 3

18

18

Dejour (trochlear dysplasia)

 No

82

82

 Yes*

18

18

 A

2

2

 B

4

4

 C

8

8

 D

4

4

  1. *The 18 patients with trochlear dysplasia are then divided according to the type of dysplasia according to Dejour (A, B, C, or D)
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Knee Surgery & Related Research

ISSN: 2234-2451