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Table 2 Main results of the cluster analysis

From: Determination of reference values and frequency of occurrence of patella alta in German shepherd dogs: a retrospective study

 

Normal group–normal patellar position

Abnormal group–high vertical patellar position

Johnson’s method

77 joints of mean value of PLLj/PL of 1.64

38 joints of mean PLLj/PL value of 1.93

Mostafa’s method

82 joints, mean PLLm/PL value of 1.93

33 joints, mean PLLm/PL value of 2.24

Obtained PLL/PL reference ranges with 95% CI

Johnson’s method

1.46–1.79

1.72–2.1

Mostafa’s method

1.72–2.13

2.02–2.45

  1. PLL/PL ratio of the patellar ligament length to the patella length
  2. PLLj/PL ratio of the patellar ligament length to the patella length according Johnson et al. [2]
  3. PLLm/PL ratio of the patellar ligament length to the patella length according Mostafa et al. [5]
  4. CI confidence interval
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Acta Veterinaria Scandinavica

ISSN: 1751-0147