Table 1

Summary of statistical analyses

FigureMeasurementComparisonN cellsStatistical testResults
Fraction of sound-responsive cellsD1 cells vs non-D1 cellsD1 = 208 of 482
nD1 = 135 of 465
Fisher’s exact testp <0.0001
Fraction of sound-responsive cellsD1 cells vs site-restricted
non-D1 cells
D1 = 208 of 482
nD1 = 79 of 197
Fisher's exact testp =0.027
3ITone response indexD1 cells vs non-D1 cellsD1 = 400 nD1 = 376Mann–Whitney U rank testp =0.0006
U =85880
Tone response indexD1 cells vs site-restricted
non-D1 cells
D1 = 400 nD1 = 188Mann–Whitney U rank testp =0.156
U =34873
Baseline firingD1 cells vs non-D1 cellsD1 = 400 nD1 = 376Mann–Whitney U rank testp =0.496
U =73073
Best frequencyD1 cells vs non-D1 cellsD1 = 115 nD1 = 79Mann–Whitney U rank testp =0.915
U =4583
Characteristic frequencyD1 cells vs non-D1 cellsD1 = 115 nD1 = 79Mann–Whitney U rank testp =0.41
U =4852
3JIntensity thresholdD1 cells vs non-D1 cellsD1 = 115 nD1 = 79Mann–Whitney U rank testp =0.0015
U =5754
3KFrequency tuning bandwidthD1 cells vs non-D1 cellsD1 = 115 nD1 = 79Mann–Whitney U rank testp =0.086
U =3883
BW10D1 cells vs non-D1 cellsD1 = 97 nD1 = 70Mann–Whitney U rank testp =0.058
U =3981
BW40D1 cells vs non-D1 cellsD1 = 18 nD1 = 24Mann–Whitney U rank testp =0.809
U =206
3LFraction of steep slope cellsD1 cells vs non-D1 cellsD1 = 17 of 75
nD1 = 21 of 73
Fisher's exact testp =0.574
Response latencyD1 cells vs non-D1 cellsD1 = 65 nD1 = 64Mann–Whitney U rank testp =0.656
U =1985
4GOnset-to-sustain indexD1 cells vs non-D1 cellsD1 = 49 nD1 = 48Mann–Whitney U rank testp =0.256
U =1334
5EAM sustained response indexD1 cells vs non-D1 cellsD1 = 475 nD1 = 460Mann–Whitney U rank testp =0.0013
U =121753
AM sustained response indexD1 cells vs site-restricted
non-D1 cells
D1 = 475 nD1 = 193Mann–Whitney U rank testp =0.212
U =42792
Preferred AM rateD1 cells vs non-D1 cellsD1 = 81 nD1 = 52Mann–Whitney U rank testp =0.744
U =2175
5FAM rate selectivityD1 cells vs non-D1 cellsD1 = 81 nD1 = 52Mann–Whitney U rank testp =0.578
U =2227
5GHighest synchronization rateD1 cells vs non-D1 cellsD1 = 53 nD1 = 30Mann–Whitney U rank testp =0.832
U =817