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Table 2 AHI at baseline and after using twin block and percentage reduction of OSAS

From: Treatment of obstructive sleep apnea with oral appliances

Patient AHI Reduction (%)
Baseline After use
1 17.6 8.6 51.3
2 10.2 1.8 82.3
3 15.1 26.1 −76.2
4 20.6 5.3 74.6
5 10.1 19.0 −89.3
6 23.4 17.4 25.6
7 12.7 2.0 84.3
8 13.1 7.9 39.9
9 31.1 4.0 87.1
10 7.9 7.0 11.5
11 23.3 11.6 50.2
12 16.9 16.5 2.3
13 18.9 4.0 78.7
14 22.7 16.4 28.0
15 7.2 17.0 −135.7
16 5.1 6.1 −19.6
17 21.0 3.5 83.6
18 25.0 9.0 64.0
19 7.7 37.9 −394.5
Mean 16.3 11.7 2.5
SD 7.2 9.4 115.6