Intratympanic dexamethasone injection for sudden sensorineural hearing loss in pregnancy

Table 1 Siegel’s criteria[7]

Treatment efficiency	Final PTAs/dB	Mean hearing gains/dB
CR	< 25	/
PR	25-45	> 15
SR	> 45	≥ 15
NR	> 75	≤ 15

CR: Complete recovery; PR: Partial recovery; SR: Slight recovery; NR: No recovery.

Table 2 Baseline clinical information of patients and the results after treatment

Case	Age/yr	Affected side	Onset/d	Concomitant symptoms	Gestation wk	Number of pregnancy	Apgar scores	Onset PTA/dB	PTA after treatment/dB	Postpartum PTA/dB	Outcome
T1	31	L	1	N	15	1	9	80.8	35.8	35.8	PR
T2	24	L	1	TF	22	1	10	81.7	32.5	30.8	PR
T3	33	L	0	VTF	28	1	10	103.3	70.8	69.2	SR
T4	30	R	0	VT	27	1	10	95.0	55.8	55.0	SR
T5	32	R	2	T	30	1	10	73.3	43.3	41.7	PR
T6	36	R	2	T	26	1	10	65.0	22.5	20.8	CR
T7	35	R	2	TF	16	2	9	78.3	45.8	45.8	SR
C1	35	R	1	TF	27	1	10	102.5	99.2	97.5	NR
C2	29	R	3	TF	27	2	10	65.8	42.5	40.8	PR
C3	32	R	1	T	33	3	9	67.5	58.3	58.3	NR
C4	26	L	1	TF	35	1	10	100.8	100.8	100.0	NR

T: Treatment group; C: Control group; T: Tinnitus; V: Vertigo; F: Aural fullness.

Table 3 Audiology data before and after therapy in treatment and control groups

Group	Pre-treatment PTAs/ dB	Post-treatment PTAs/dB	Postpartum PTAs/dB	Mean hearing gains/dB	Curative rates
Treatment	82.5 ± 12.9	43.8 ± 15.9	42.7 ± 16.0	38.7 ± 7.3	57.1%
Control	84.2 ± 20.2	75.2 ± 29.4	74.2 ± 29.3	13.3 ± 17.0	25.0%
P value	0.87	0.04	0.04	0.006	/

PTAs: The pure-tone averages.