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Table 4 Radiographic parameters by gender

From: Normal radiological anatomy of thyroid cartilage in 600 Chinese individuals: implications for anterior cervical spine surgery

  Male (mm) Female (mm) p value
D1 46.6 ± 4.5 40.4 ± 2.8 0.000
D2 43.7 ± 3.7 37.3 ± 2.8 0.000
D3 28.7 ± 2.5 22.4 ± 1.7 0.000
V1 28.4 ± 2.5 26.0 ± 2.1 0.000
V2 30.0 ± 3.2 27.3 ± 2.1 0.000
V3 32.9 ± 3.0 29.0 ± 2.4 0.000
  1. Data presented as the mean ± SD
  2. D1, D2, and D3 transverse diameter of thyroid cartilage or trachea of SBTC, IBTC, and IBCC
  3. V1, V2, and V3 transverse diameter of vertebral body or intervertebral disc of SBTC, IBTC, and IBCC