The incidence of otosclerosis in the general population.
The incidence of clinical otosclerosis in the general population of Lithuania (USSR) was recorded from December 1961 to May 1970.  A total of 974 otosclerotic individuals were found during this period, 27.2% of whom were males and 72.8%, females.  In the majority of these patients, the clinical diagnosis of otosclerosis was confirmed at operation.  The incidence of clinical otosclerosis in the population was found to be about 0.1%.  The ratio of incidence of clinical:histological otosclerosis in the population investigated is assumed to be 1:4.  The age period at risk for clinical otosclerosis is between 16 and 50 years, the greatest age period at risk being 20 to 40 years.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D005260:Female; D006320:Hearing Tests; D006801:Humans; D008097:Lithuania; D008297:Male; D008875:Middle Aged; D010040:Otosclerosis / Q000175:diagnosis / Q000453:epidemiology* / Q000235:genetics; D012306:Risk; D012737:Sex Factors