Table 1

- Comparisons of ethmoid infundibulum and natural ostium dimensions between left and right sides.

DimensionsEI width (mm)EI length (mm)MSNO (mm)
Mean±SD
Right side (n=100)2.37±0.607.87±1.523.11±0.76
Left side (n=100)2.29±0.538.34±1.503.13±0.74
Gap between sides0.072±0.670.47±1.380.03±0.7
P-value0.2880.01*0.723
  • EI: ethmoid infundibulum, MSNO: maxillary sinus natural ostium SD: Standard deviation.