Table 3.

Mean values and standard deviations for infundibulum length and ostium height in sinus pathologies and normal maxillary sinuses

	Sinus pathology		Infundibulum length				Ostium height
		n (%)	mean	SD	p value	n (%)	mean	SD	p value
Right side	Normal	yes	105 (52.7)	7.70	2.30	0.081	106 (52.2)	30.50	6.10	0.402
	no	94 (47.3)	7.12	2.31		97 (47.3)	31.18	5.40
	MT	yes	55 (27.6)	7.04	2.29	0.143	56 (27.5)	30.65	5.96	0.788
		no	144 (72.4)	7.57	2.32		147 (72.5)	30.89	5.72
	AP	yes	27 (13.5)	7.46	2.63	0.942	27 (13.3)	31.84	3.96	0.192
		no	172 (86.5)	7.42	2.28		176 (86.7)	30.67	5.99
	PO	yes	10 (5.0)	7.14	1.50	0.696	11 (5.4)	32.74	4.36	0.260
		no	189 (95.0)	7.44	2.36		192 (94.6)	30.72	5.83
	TO	yes	2 (1.0)	4.89	0.47	0.121	3 (1.4)	29.49	9.66	0.688
		no	197 (99.0)	7.45	2.32		200 (98.6)	30.85	5.73
Left side	N	yes	118 (59.0)	7.21	2.37	0.172	118 (58.1)	31.58	5.81	0.408
	no	82 (41.0)	6.76	2.10		85 (41.9)	32.28	5.99
	MT	yes	43 (21.5)	7.08	2.23	0.840	45 (22.1)	31.31	6.66	0.468
		no	157 (78.5)	7.01	2.28		158 (77.8)	32.03	5.66
	AP	yes	29 (14.5)	6.80	1.85	0.564	29 (14.2)	34.03	5.06	0.033*
		no	171 (85.5)	7.06	2.33		174 (85.8)	31.52	5.95
	PO	yes	8 (4.0)	5.36	1.71	0.034*	9 (4.4)	30.96	4.80	0.634
		no	192 (96.0)	7.09	2.26		194 (95.6)	31.92	5.94
	TO	yes	2 (1.0)	4.82	2.40	0.167	2 (1.0)	34.64	1.95	0.505
		no	198 (99.0)	7.05	2.26		201 (99)	31.85	5.91

^*Significant at α = 0.05. SD, standard deviation; MT, mucous thickening; AP, antral pseudocyst; PO, partial opacification; TO, total opacification.