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Table 4 Intra-patient variation in neck-shaft angle

From: Femoral neck shaft angle measurement on plain radiography: is standing or supine radiograph a reliable template for the contralateral femur?

Difference in NSA

Total n (%)

Female n (%)

Male n (%)

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  < 5°

175 (87.5)

84 (84)

91 (91)

 5–10°

22 (11)

14 (14)

8 (8)

  > 10°

3 (1.5)

2 (2)

1 (1)

Supine

  < 5°

153 (76.5)

76 (76)

77 (77)

 5–10°

43 (21.5)

22 (22)

21 (21)

  > 10°

4 (2)

2 (2)

2 (2)

  1. NSA Neck-shaft angle
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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