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Journal of the Egyptian Public Health Association
Fig. 1 | Journal of the Egyptian Public Health Association

Fig. 1

From: Prevalence and correlates of occupational noise-induced hearing loss among workers in the steel industry

Fig. 1

The mean of the measured hearing threshold (dB) at specified audiometry frequencies (Hz) among noise-exposed (n = 396) and unexposed workers (n = 210) stratified by the age group, at two steel factories in Egypt, 2021. Abbreviations: dB decibel, Hz Hertz. aMann-Whitney U test; bStudent’s t test; *p < 0.05; **p < 0.01; ***p < 0.001. A: right ear; B: left ear

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