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Table 2 Clinical characteristics and anatomical measurements of 30 patients with sellar tumors

From: Stereoscopic virtual reality models for planning tumor resection in the sellar region

  Mean ± SD Range
Age 47.67±13.93 17-73
Male (%) 14(46.67%)  
Hardy class (%)   
1 1(3.33%)  
2 8(26.67%)  
3 10(33.33%)  
4 5(16.67%)  
5 6(20%)  
Length of stay 18.57±6.43 10-38
Distance from the midpoint of the columella to the bone-cartilage junction of the nasal septum (mm) 29.9±1.66 26.95-34.09
Distance from the external naris plane to the most shallow point on the anterior wall of the right sphenoid sinus (mm) 62.49±4.96 51.37-71.56
Distance from the external naris plane to the most shallow point on the anterior wall of the left sphenoid sinus (mm) 62.98±5.02 52.97-71.99
Distance from the sphenoid sinus opening to the midpoint of the columella (mm) 66.14±5.2 55.22-75.97
Distance from the sphenoid sinus opening to the choanal upper edge (mm) 26.66±2.1 23.17-29.92
Distance from the sphenoid sinus opening to the hanging wall (mm) 16.83±3.5 11.29-25.6
Distance from the sphenoid sinus opening to the inferior wall (mm) 10.47±3.23 6.16-19.87
Distance from the sphenoid sinus opening to the right lateral wall (mm) 18.26±3.94 12.74-25.41
Distance from the sphenoid sinus opening to the left lateral wall (mm) 18.13±3.94 12.53-25.97
Angle between the connecting line from the columella to the glabella and the approach (°) 54.54±2.48 49.81-60.02
Distance from the columella - glabella extension line to the sellar floor (mm) 15.97±7.23 1.39-29.3