From: Rinne test: does the tuning fork position affect the sound amplitude at the ear?
Frequency Measured | Mean Amplitude (±SD) | Mean Difference (95 % CI) | p-value | |
---|---|---|---|---|
Parallel (N = 150) | Perpendicular (N =150) | |||
250 Hz | 91.14 dB (±4.06 dB) | 90.30 dB (±5.47 dB) | 0.83 dB (±1.09 dB) | .14 |
500 kHz | 68.67 dB (±7.30 dB) | 64.39 dB (±6.99 dB) | 4.28 dB (±1.62 dB) | <0.001 |
1.6 kHz | 58.80 dB (±7.13 dB) | 58.92 dB (±7.73 dB) | −0.11 dB (±1.69 dB) | .89 |
4 kHz | 42.35 dB (±8.52 dB) | 40.42 dB (±6.05 dB) | 1.93 dB (±1.67 dB) | .02 |