From: Relationship of sphenoid sinus to adjacent structures in South India: a retrospective cross sectional study
Age (years)
Frequency (n = 140)
Percentage (%)
Male
Female
Total
< 20
07
12
19
05
08
13
21–40
44
30
74
33
21
54
41–60
26
15
43
18
11
29
> 60
03
06
02
04
80
60
140
58
42
100