Table 4.

Correlation constants (r) of paranasal sinus and mastoid air cell parameters in men and women.

	Men		Women
	r	P	r	P
Right MSV-Left MSV	0.822	0.0001	0.922	0.0001
Right MSV-Right MCV	0.243	0.107	0.248	0.118
Right MSV-Left MCV	0.266	0.077	0.252	0.108
Right MCV-Left MCV	0.935	0.0001	0.835	0.000
Right MSV-SSV	0.407	0.005	0.372	0.014
Left MSV-SSV	0.438	0.002	0.374	0.013
Right MSV-FSV	0.339	0.033	0.374	0.025
Left MSV-FSV	0.386	0.014	0.330	0.049
Total MCV-Right MSV	0.138	0.355	0.272	0.081
Total MCV-Left MSV	0.227	0.125	0.314*	0.043
Total MCV- SSV	0.398	0.006	0.427	0.005
Total MCV- FSV	0.228	0.156	0.497	0.003
FSV-SSV	0.306	0.058	0.229	0.186
Total MSV- SSV	0.441	0.002	0.381	0.012
Total MSV- FSV	0.388	0.013	0.361	0.030

MSV, maxillar sinus volume; MCV, mastoid air cell volume; SSV, sphenoid sinus volume; FSV, frontal sinus volume.