Table 1.

Linear measurements (mm) of frontal sinus.

Frontal sinus	Patient	Lee et al. [9]	Pondé et al. [3]	Tatlisumak et al. [1]
Total width	78	50.4 ± 14.5	51.05 ± 17.14	50.45 ± 12.32
Width of left sinus	43	25.0 ± 7.7		26.05 ± 7.40
Width of right sinus	35	25.4 ± 8.0		24.37 ± 7.63
Height of left sinus	53		28.57 ± 7.36	24.70 ± 8.20
Height of right sinus	49			23.63 ± 8.33
Antero posterior depth of left sinus	40		10.16 ± 2.12	10.80 ± 4.10
Antero posterior depth of right sinus	38			10.15 ± 4.08