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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: J Hand Surg Am. 2017 Sep 23;43(2):184.e1–184.e9. doi: 10.1016/j.jhsa.2017.08.015

TABLE 5.

Median Nerve Cross-sectional Area Pre- and Post-surgery

Measurement Before Surgery, N=20 After Surgery, N=20
Min, Max mean (95% CI) Min, Max mean (95% CI)
Average Median nerve CSA at tunnel inlet, mm2 6.16, 21.73 12.26 (10.36, 14.16) 6.13, 16.10 11.00 (9.52, 12.48)
Average Median nerve CSA at mid tunnel, mm2 5.30, 19.67 10.99 (9.27, 12.70) 5.13, 16.90 10.97 (9.39, 12.55)
Average Median nerve CSA at tunnel outlet, mm2 3.53, 22.00 10.36 (8.54, 12.17) 4.23, 21.17 10.68 (8.93, 12.43)

CSA = Cross-sectional area