Ouabain Does Not Induce Selective Spiral Ganglion Cell Degeneration in Guinea Pigs

Table 2

Distribution of the cochleas from the 5 experimental groups among the three histological categories and corresponding averages.

Category 1	N1	Category 2	N2	Category 3	N3
No OHC and SGC loss		OHC loss only		Both OHC and SGC loss
Group II	4	Group I	1	Group I	1
Group III	4	Group II	2	Group II	2
Group IV	4
Group V	2
Total	14		3		3
OHC loss	0%		46.0 ± 5.7%		68.3 ± 6.9%
SGC loss	4.7 ± 3.0%		10.8 ± 6.0%		49.4 ± 4.3%
Threshold shift	1.7 ± 11.9 dB		44.9 ± 2.7 dB		39.0 ± 2.4 dB
Amplitude	3.8 ± 5.0 dB		17.1±3.8 dB		15.8 ± 1.6 dB