This study controlled for several possible confounders, including age, gender and area of residence. However, the possibility that confounding by some other factor might have accounted for the observed associations can not be ruled out. Future epidemiological studies to investigate lifestyle risk factors on idiopathic sudden deafness will be in need.

References:

Nakamura M, et al. Japanese and Western diet and risk of idiopathic sudden deafness: a case-control study using pooled controls. Int J Epidemiol 2001;30:608-615.

Nakamura M, et al. Smoking, alcohol, sleep and risk of idiopathic sudden deafness: a case-control study using pooled controls. J Epidemiol 2001;11:81-86.

Go to Comment Form