Table 1.

Demographics and clinical parameters of surgical and medical groups.

	Age (years ± SD)	Gender (M/F)	MD (dB ± SD)	Mean time on therapy (months ± SD)§	Last follow-up (months ± SD)
Surgical group	61.8 ± 9.5	16/12	−7.51 ± 1.81*	68.2 ± 4.2	6.8 ± 0.5
Medical group	59.8 ± 5.7	12/14	−6.21 ± 1.42	63.7 ± 6.1	6.6 ± 0.8

^*P < 0.05 vs Medical Group.

^§The time on therapy matched with the time of diagnosis.