Therapeutic efficacy of methylprednisolone sodium succinate via diverse administration routes for mid- to high-frequency sudden sensorineural hearing loss

Table 2 Pre- and post-treatment pure-tone audiometric thresholds amongst the three groups (mean ± SD, dBHL)

Group	n	Pretreatment	Post-treatment
A	41	52.89 ± 6.27	21.23 ± 3.34b,c
B	35	52.75 ± 6.10	28.52 ± 3.36a
C	33	53.29 ± 6.03	30.23 ± 4.21a
F	-	0.070	65.850
P value	-	0.932	< 0.001

^aP < 0.05, when compared with Group A.

^bP < 0.05, when compared with Group B.

^cP < 0.05, when compared with Group C.