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. 2023 Nov 10;76(1):979–986. doi: 10.1007/s12070-023-04340-w

Table 3.

Evaluation of Preop and Postop Gap, Airway and Bone Conduction Measurements According to Mastoid Pneumatization

		Mastoid Pneumatization				p
		n	Normal	n	Decreased	p
Preop Gap	Mean ± SD	20	21.83 ± 7.02	23	26.98 ± 9.76	^a 0.042*
Preop Gap	Min-Max (Median)		7–35 (20)		5–41 (28)	^a 0.042*
Postop Gap	Mean ± SD	20	11.87 ± 10.21	23	12.79 ± 11.68	^a *0.718*
Postop Gap	Min-Max (Median)		3–40 (8)		0–36 (8)	^a *0.718*
Preop Airway	Mean ± SD	20	33.23 ± 11.01	23	39.08 ± 11.31	^a *0.083*
Preop Airway	Min-Max (Median)		20–63 (33)		17–58 (41)	^a *0.083*
Postop Airway	Mean ± SD	20	21.93 ± 14.21	23	22.61 ± 14.67	^a *0.981*
Postop Airway	Min-Max (Median)		5–60 (17.5)		5–48 (18)	^a *0.981*
Preop Bone Conduction	Mean ± SD	20	11.78 ± 7.21	23	11.67 ± 4.99	^a *0.721*
Preop Bone Conduction	Min-Max (Median)		3–33 (10)		5–25 (10)	^a *0.721*
Postop Bone Conduction	Mean ± SD	20	9.81 ± 6.62	23	8.83 ± 5.37	^a *0.513*
Postop Bone Conduction	Min-Max (Median)		0–28 (10)		5–23 (8)	^a *0.513*

^a Mann Whitney U Test *p < 0.05