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Thread: Comparing test results

  1. #1

    Default Comparing test results

    I had my hearing tested 6 years ago, and again a year ago by a different audiologist at a different location. The second test chart looks to be a similar shape (apart from a new dip at 4k), but about 15-20dB higher on the chart than the first through the whole range. Higher on the chart is better, right? I know my hearing has deteriorated in that time, so why would I get better results? Would there be a variation depending on the equipment used or even the audiologist?

    I don't have hearing aids yet, but this might be the year.

  2. #2
    Join Date
    Jun 2011
    Location
    Northern CA
    Posts
    3,495

    Default

    Quote Originally Posted by pters View Post
    I had my hearing tested 6 years ago, and again a year ago by a different audiologist at a different location. The second test chart looks to be a similar shape (apart from a new dip at 4k), but about 15-20dB higher on the chart than the first through the whole range. Higher on the chart is better, right? I know my hearing has deteriorated in that time, so why would I get better results? Would there be a variation depending on the equipment used or even the audiologist?

    I don't have hearing aids yet, but this might be the year.
    Can you post the numbers?
    Oticon Agil Pro w/streamer

    -250 500 1000 1500 2000 3000 4000 6000 8000
    L 10--5----10----30---50----70----85---80---80
    R 5--10----20----35---45----85----85--100--100

    SP Disc ------------- SRT
    L 88% @55db ------- L-10
    R 90% @55db------- R-25

  3. #3
    Join Date
    Mar 2014
    Location
    Carson City, NV
    Posts
    18

    Default

    I just had my hearing retested after a couple of years. Things were mostly unchanged, but one ear showed a slight improvement. The tech doing the test commented that your hearing doesn't get better - the improvement probably means the first test wasn't accurate for some reason.
    ..250..500..1000..2000..3000..4000..8000
    R 10....10...05....15....45....45....55
    L 10....10...10....30....55....60....65
    WRS
    R-100%, L-84% at 50 dB; Cala 8

  4. #4

    Default

    Quote Originally Posted by seb View Post
    Can you post the numbers?
    Dec 2010:
    -250 500 1000 1500 2000 3000 4000 6000 8000
    L 15--20---20-------20---------25---60---80
    R 15--20---20-------25---------25---60---80

    Dec 2015:
    L 0---5---10-------15----20---40---35---55
    R 5--10---15-------15----20---35---35---65

  5. #5

    Default

    could be your ears were pluged up with wax, maybe you had a tinitus that got better, maybe you adjusted to it, maybe you were nervous/sleepless on the 1st test and simply pushed too late, maybe the test wasn't accurate. Maybe the 2nd time the tester switched between 2 volumes while testing, making the sound better audible. could be many things
    Left/Right//kHz // Oticon OPN1 105dB C-Shell with support

    45/55//0.25
    60/70// 0.5
    70/70//1
    60/70//2
    60/60//3
    50/45//4
    55/50//6
    45/55//8

  6. #6

    Default

    Quote Originally Posted by Gery_R View Post
    could be your ears were pluged up with wax, maybe you had a tinitus that got better, maybe you adjusted to it, maybe you were nervous/sleepless on the 1st test and simply pushed too late, maybe the test wasn't accurate. Maybe the 2nd time the tester switched between 2 volumes while testing, making the sound better audible. could be many things
    They checked for wax both times. My tinnitus is a constant high frequency, so that shouldn't change my low frequency results. I've had it for years, so if I was going to get used to it then it should have happened years ago. What I'm concerned about is that their test equipent could be dodgy. How repeatable are hearing tests anyway? Maybe I should expect these kinds of differences?

  7. #7

    Default

    Most of the error in the testing seems to be from the test subject. You need to respond by pressing if you think you hear something. It is therefore subjective. It is not unusual to have a 5-10 dB difference between test results. Test equipment needs to be calibrated regularly and maintained. When tested the audiologist will test each threshold until a 2 out of 3 response consistency. So missing one tone at a certain level at one frequency won't get you a bad score. They always retest that.

    Your hearing can change from reversible and non reversible causes. Reversible causes include wax in the ear canal and fluid in the middle ear due to inflammation.
    Last edited by Psocoptera; 01-07-2017 at 04:05 PM.
    Carol

    Linx 961>Linx2 961> Phonak Audeo V90 312T L&R
    Hz 250 500 1K 2K 3K 4K 5K 6K 8K
    L 25 25 15 35 40 40 60 60 55
    R 25 25 15 30 40 35 35 55 50
    Speech
    L 83% 40dB, 100% 50dB
    R 80% 40dB, 97% 50dB

  8. #8

    Default

    Thanks, everyone. I know my hearing's worse now, but perhaps it's due to that dip at 4k. I'll have another test and see if it's still there.

  9. #9

    Default

    Quote Originally Posted by pters View Post
    They checked for wax both times. My tinnitus is a constant high frequency, so that shouldn't change my low frequency results. I've had it for years, so if I was going to get used to it then it should have happened years ago. What I'm concerned about is that their test equipent could be dodgy. How repeatable are hearing tests anyway? Maybe I should expect these kinds of differences?
    there will always be differences , especially with tinitus, still they are +- 5/ max 10 dB appart in my case, 20 dB appart is very unbelievable to be "ok". more likely the test was done in a strange way.
    Left/Right//kHz // Oticon OPN1 105dB C-Shell with support

    45/55//0.25
    60/70// 0.5
    70/70//1
    60/70//2
    60/60//3
    50/45//4
    55/50//6
    45/55//8

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