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. 2017 Jul 4;7(3):40. doi: 10.3390/diagnostics7030040

Figure 9.

Figure 9

Summary of brachial plexus pattern and Adson’s Test results as associated with nTOS symptoms across the full screening sample. Symptomatic subjects are indicated in light grey, while asymptomatic subjects are indicated in dark grey. The percentage of individuals with nTOS symptoms was significantly higher among the brachial plexus piercing variant subjects (50%) than in the subjects with classic brachial plexus anatomy (13.9%), but rates of correct diagnostic identification with Adson’s Test were slightly lower (50% in piercing variants vs. 61.1% in classic).