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Table 1 Age of onset, AI, ACE, FNSA and FNA stratified by LCEA classificationd

From: The lateral center-edge angle as radiographic selection criteria for periacetabular osteotomy for developmental dysplasia of the hip in patients aged above 13 years

Variable

Classification of LCEA

P

Grade I

Grade II

Grade III

Grade IV

No.

104

40

76

54

 

Age of onset, years

30.9 ± 7.6

28.8 ± 7.7

25.3 ± 8.8a

23.1 ± 8.3ab

< 0.001

AI °

20.4 ± 4.9

25.5 ± 5.1a

29.2 ± 5.8ab

36.5 ± 7.3ab

< 0.001

ACEA°

14.8 ± 13.4

2.6 ± 12.1a

−5.9 ± 13.4ab

−18 ± 16.5abc

< 0.001

FNA °

24.9 ± 10.7

26.0 ± 14.0

27.7 ± 12.4

29.0 ± 13.4

0.190

FNSA °

132.9 ± 7.6

134.1 ± 7.5

132.6 ± 6.3

135.0 ± 7.6

0.234

  1. ACEA: anterior central edge angle; AI: Tönnis acetabular index; LCEA: Lateral center-edge angle; FNA: femoral neck anteversion angle; FNSA: femoral neck-shaft angle
  2. aP < 0.05 versus grade I; bP < 0.05 versus grade II; cP < 0.05 versus grade III
  3. dData are expressed as mean ± SD unless otherwise specified
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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