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Table 1 Correlation between portable ultrasound measurements and sequentially created supination-external rotation ankle injury model

From: Ultrasonography for diagnosing medial sided ankle instability in supination external rotation ankle fracture

P-US vs. sequentially created SER ankle injury model

Spearman Rank Correlation

P Value

Anterior-perpendicular-MCS during GST-N

0.81

< 0.001

Anterior-perpendicular-MCS during GST-PF

0.77

< 0.001

Anterior-perpendicular-MCS during weightbearing

0.60

< 0.001

Anterior-perpendicular-MCS during ER stress test

0.85

< 0.001

Anterior-oblique-MCS during GST-N

0.79

< 0.001

Anterior-oblique-MCS during GST-PF

0.76

< 0.001

Anterior-oblique-MCS during weightbearing

0.43

< 0.001

Anterior-oblique-MCS during ER stress test

0.90

< 0.001

Inferior-MCS during GST-N

0.76

< 0.001

Inferior-MCS during GST-PF

0.77

< 0.001

Inferior-MCS during weightbearing

0.60

< 0.001

Inferior-MCS during ER stress test

0.82

< 0.001

  1. Significant adjusted P values are in bold for Spearman’s rank correlation
  2. Abbreviations: P-US = portable ultrasound, SER = supination external rotation, GST-N = gravity stress test in neutral ankle position, GST-PF = gravity stress test in ankle plantarflexed position, ER = external rotation, MCS = medial clear space
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X