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. 2011 Nov 30;1(2):e31. doi: 10.4081/audiores.2011.e31

Table 5.

LittlEARs Spanish (USA) norm curve in comparison to German norm curve.

Hearing age (months) Norm curve Spanish Norm curve German Difference Spanish - German Confidence-interval Spanish
0.0 9.1 2.1 7.0 2.10
0.5 10.0 3.2 6.8 3.09
1.0 10.8 4.3 6.5 4.04
1.5 11.7 5.3 6.4 4.96
2.0 12.5 6.4 6.1 5.86
2.5 13.4 7.4 6.0 6.73
3.0 14.2 8.4 5.8 7.57
3.5 15.0 9.4 5.6 8.40
4.0 15.8 10.3 5.5 9.20
4.5 16.6 11.3 5.3 9.99
5.0 17.3 12.2 5.1 10.75
5.5 18.1 13.1 5.0 11.50
6.0 18.8 14.0 4.8 12.23
6.5 19.5 14.9 4.6 12.95
7.0 20.3 15.7 4.6 13.65
7.5 21.0 16.6 4.4 14.34
8.0 21.7 17.4 4.3 15.01
8.5 22.3 18.2 4.1 15.68
9.0 23.0 19.0 4.0 16.33
9.5 23.6 19.7 3.9 16.97
10.0 24.3 20.5 3.8 17.60
10.5 24.9 21.2 3.7 18.22
11.0 25.5 21.9 3.6 18.83
11.5 26.1 22.6 3.5 19.42
12.0 26.7 23.2 3.5 20.01
12.5 27.3 23.9 3.4 20.58
13.0 27.8 24.5 3.3 21.15
13.5 28.4 25.1 3.3 21.70
14.0 28.9 25.7 3.2 22.23
14.5 29.4 26.3 3.1 22.76
15.0 29.9 26.8 3.1 23.27
15.5 30.4 27.4 3.0 23.77
16.0 30.9 27.9 3.0 24.25
16.5 31.4 28.4 3.0 24.71
17.0 31.8 28.9 2.9 25.15
17.5 32.3 29.3 3.0 25.58
18.0 32.7 29.8 2.9 25.98
18.5 33.1 30.2 2.9 26.37
19.0 33.5 30.6 2.9 26.73
19.5 33.9 31.0 2.9 27.06
20.0 34.3 31.3 3.0 27.37
20.5 34.6 31.7 2.9 27.65
21.0 35.0 32.0 3.0 27.90
21.5 35.3 32.3 3.0 28.12
22.0 35.6 32.6 3.0 28.30
22.5 35.9 32.9 3.0 28.46
23.0 36.2 33.1 3.1 28.58
23.5 36.5 33.4 3.1 28.67
24.0 36.8 33.6 3.2 28.72