Table 4 Statistical analysis of group differences of the Musical discrimination test (non-parametric tests).

From: Understanding music with cochlear implants

Subtest

 

Pitch C2

Pitch B3

Pitch C7

Rhythm

Melodies

Instruments

KW1: PreCIUs/PostCIUs/NHG

H ( 2)

40.48

58.94

27.24

9.82

42.73

72.28

P

<0.0001*

<0.0001*

<0.0001*

0.007*

<0.0001*

<0.0001*

MWU2: PreCIUs/NHG

U

53.50

77.50

137.00

290.00

97.50

8.50

P

<0.0001*

<0.0001*

<0.0001*

0.13

<0.0001*

<0.0001*

MWU2: PostCIUs/NHG

U

363.50

115.50

464.50

614.00

267.50

68.00

P

<0.0001*

<0.0001*

<0.0001*

0.002*

<0.0001*

<0.0001*

MWU2: PreCIUs/PostCIUs

U

214.50

229.50

198.00

251.00

271.00

175.50

P

0.16

0.27

0.09

0.50

0.78

0.03*

  1. 1Kruskal-Wallis-test. 2Mann-Whitney U test.
  2. 2Mann-Whitney U test.
  3. *Significant group differences. Statistics for Chord discrimination data (parametric tests) are shown in the main text.