Proefschrift_vd_Beek

Figure 4

A: all

B: Inser7on at 90-­‐150°

C: Inser7on at 330-­‐390°

0

0

0

-­‐6

-­‐6

-­‐6

-­‐12

-­‐12

-­‐12

T-­‐level(dB)

T-­‐level(dB)

T-­‐level(dB)

-­‐18

-­‐18

-­‐18

-­‐24

-­‐24

-­‐24

.50

.75

1.00

1.25

1.50

1.75

2.00

.50

.75

1.00

1.25

1.50

1.75

2.00

.50

.75

1.00

1.25

1.50

1.75

2.00

Distancetomodiolus(mm)

Distancetomodiolus(mm)

Distancetomodiolus(mm)

Figure 4: Scatter plot of the individual T-levels per electrode contact vs the distance to the modiolus. A: all electrodes; B: electrodes inserted between 90 and 150°; C: electrodes inserted between 330 and 390°. Figure 5

Percen7le groups of average levels

A

B

C

24

0

12

1st quar7le 2nd quar7le 3rd quar7le 4th quar7le

21

9

18

6

-­‐6

15

3

12

0

-­‐12

DRl (dB)

M-­‐level (dB) -­‐3

9

T-­‐level (dB)

6

-­‐6

-­‐18

3

-­‐9

0

-­‐24

-­‐12

0

120 240 360 480 600 720

0

120 240 360 480 600 720

0

120 240 360 480 600 720

Inser7on (degrees)

Inser7on (degrees)

Inser7on (degrees)

Figure 5: The LOESS-fitting lines of the quartile groups according to the overall T-levels (A), M-levels (B) and dynamic range (C). The black fitting line is the quadratic fit for the entire population. Figure 6

Percen7le groups of inser7on depth

0

1st quar7le 4th quar7le

-­‐6

-­‐12

T-­‐level (dB)

-­‐18

-­‐24

16 15 14 13 12 11 9 8 7 6 5 4 3 2 1 10

Electrode

Figure 6: Scatterplot of the T-levels per electrode contact for the sub-groups with the 25% most shallowly and 25% most deeply inserted electrodes (Table 6).

126 | Chapter 6

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