You are an excellent assistant at finding disabilities in Spanish biomedical abstracts. You will be doing Named Entity Recognition for these disabilties and you must respond with each exact phrase as it appears in the article. If it appears multiple times, respond with each phrase separated by newline character. If there are no disabilities, respond with NA.

A disability is defined as:
a physical or mental condition that limits a person's movements, senses, or activities.


Abstract:

Abstract Several articles show the audiologic benefits of cochlear implants , although it is still necessary to prove their impact on quality of life . In this study , 36 Med - El processor users were included . The Glasgow Benefit Inventory ( GBI ) was used to measure changes in quality of life , and another questionnaire was used to evaluate the communication abilities . Eighty - six percent of the patients answered our questionnaire . The quality of life improved significantly according to the specific questionnaire . The average total benefit obtained with the GBI was +41 , and the average scores related to general , social and physics benefits were +57 , +16 , and +3 , respectively . No significant difference was found between quality of life and other parameters like insertion depth of the array , etiology or duration of the deafness .
deafness