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Table 2 Sensitivity, specificity, PPV and NPV of self-report questions

From: Validation of the self-reported hearing questions in the Irish Longitudinal Study on Ageing against the Whispered Voice Test

Self assessment questions Sensitivity CI (95%) Specificity CI (95%) PPV CI (95%) NPV CI (95%) Response
Do you use any of the following appliances to help with your hearing? 5.56% (0.11% – 11.01%) 96% (92.86% - 99.14%) 14.29% (4.49% - 24.09%) 89.44% (84.69% – 94.19%) Hearing Aid*
Amplifier*
None
Is your hearing (with or w/out hearing appliance)… 55.56% (32.60% - 78.52%) 94.67% (91.08% - 98.26%) 55.56% (32.60% - 78.52%) 94.67% (91.08% - 98.26%) Excellent
Very Good
Good
Fair*
Poor*
Can you follow a conversation with one person? With… 22.22% (9.14% - 45.56%) 94.67% (89.82% - 97.23%) 33.33% (13.86% -61.43%) 91.03% (85.49% - 94.55%) No Difficulty
Some Difficulty*
Much Difficulty*
No I Cannot*
Can you follow a conversation with four people? 50% (26.9% - 73.1%) 84.67% (78.9% - 90.44%) 28.13% (12.55 - 43.71%) 93.4% (89.2% - 97.56%) No Difficulty
Some Difficulty*
Much Difficulty*
No I Cannot*
Can you use a normal telephone? 5.56% (0.11% – 11.01%) 99.3% (97.39% - 99.95%) 50% 89.76% (84.87% - 94.91%) No Difficulty
Some Difficulty*
Much Difficulty*
  No I Cannot*
  1. (*) Represent a response considered a fail.