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Clinical application of diagnostic criteria for occupational noise-induced deafness of version 2014 / 中国职业医学
China Occupational Medicine ; (6): 276-280, 2017.
Article in Chinese | WPRIM | ID: wpr-881607
Responsible library: WPRO
ABSTRACT

OBJECTIVE:

To analyze the impact of revised version of GBZ 49-2014 Diagnostic of Occupational Noise-induced Deafness on the diagnosis of occupational noise-induced deafness( ONID).

METHODS:

A total of 77 patients applied for ONID diagnosis and identification were selected as study subjects by judgment sampling method. The pure tone audiometry data were collected and diagnosed based on the criteria of GBZ 49-2014 and GBZ 49-2007 Diagnostic Criteria of Occupational Noise-induced Deafness. The changes of the diagnostic audiometry and the ONID diagnostic classification were compared.

RESULTS:

The monaural threshold of weighted value of the good ear calculated by GBZ 49-2014 was higher than the speech frequency threshold average of the good ear of GBZ 49-2007 [( 32. 4 ± 10. 3) vs( 29. 8 ± 10. 6) dB,P <0. 01]. The binaural high frequency threshold average calculated by GBZ 49-2014 was higher than that of GBZ 49-2007[( 50. 5 ± 13. 3) vs( 49. 1 ± 13. 6) dB,P < 0. 01]. The ONID diagnosis conclusions diagnosed by using GBZ 49-2014 and GBZ 49-2007 were consistent( Kappa value = 0. 92,P < 0. 01). There was statistical difference in the ONID diagnostic classifications diagnosed by using GBZ 49-2014 and GBZ 49-2007( P < 0. 05). Three ONID patients diagnosed as non ONID by GBZ 49-2007 were diagnosed as mild ONID by using GBZ 49-2014,and five cases diagnosed as mild ONID by GBZ 49-2007 were diagnosed as moderate ONID by using GBZ 49-2014.

CONCLUSION:

The diagnostic audiometry calculated based on GBZ 49-2014 is higher than that based on GBZ 49-2007. The number of ONID patients increased and the diagnostic classification became serious when the diagnosis was made based on GBZ 49-2014.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: China Occupational Medicine Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: China Occupational Medicine Year: 2017 Type: Article