Author

Patient

Measuring size

Results

Grunebaum et al. 2010 [45]

n = 16

LRS at various times

LRS before implantation:

3 months after implantation: 1 - 2 6 months after implantation: 2

Roy et al. 2006 [46]

n = 82

Likert scale 3 and 6 months after implantation 1 = dissatisfied to 5 = highly satisfied

3 months after implantation (60 patients) = 4.5 6 months after implantation (11 patients) = 4.5

Smith et al. 2007 [38]

n = 117

LRS and GAIS at various times

3 months

6 months

LRS:

−1.5

−1.2

GAIS:

Very strongly improved

20%

14.2%

Strongly improved

40%

30.1%

Improved

35.7%

35.4%

No improvement

4.3%

20.4%

Worse

0%

0%