Mean BC threshold difference between diseased and control ear/study | 0.5 KHz | 1 KHz | 2 KHz | 4 KHz |
Ahmed et al. | 4.1 dB | 6.0 dB | 10.7 dB | 9.7 dB |
Chatterji et al. | 0.61 dB | 4.33 dB | 3.64 dB | 1.71dB |
Sharma et al. | 2.6 dB | 3.4 dB | 4.4 dB | 1.8 dB |
Noordzig et al. | -0.5 dB | 0.9 dB | 4.4 dB | 3.6 dB |
Kolo et al. | 21.69 dB | 25.66 dB | 32.28 dB | 34. 63 dB |
Present study | 1.05 dB | 1.9 dB | 3.95 dB | 4.45 dB |