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Table 8 Percentile ranks (point and 95% interval estimates) corresponding to MDAS raw scores for males 55 plus

From: UK population norms for the modified dental anxiety scale with percentile calculator: adult dental health survey 2009 results

   95% CI
Raw score Percentile rank Lower Upper
5 18 0.9 36.2
6 42 36.6 48.1
7 53 47.2 58.4
8 61 57.3 65.4
9 68 64.1 72.2
10 75 71.0 78.3
11 80 76.9 82.5
12 84 81.1 86.3
13 87 84.9 88.8
14 89 87.3 90.6
15 91 89.2 92.6
16 93 91.3 94.0
17 94 92.7 95.2
18 95 94.1 96.3
19 96 95.1 96.9
20 97 95.8 97.6
21 98 96.6 98.2
22 98 97.4 98.6
23 98 97.8 98.9
24 99 98.1 99.2
25 99 98.6 100.0