CLINICAL STATISTIC OBSERVATIONS OF INPATIENTS OF THE DEPARTMENT OF ORAL SURGERY DURING THE PAST 12 YEARS

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This time, case analysis was made of 911 cases who were admitted to the ward of the Department of Dentistry and Oral Surgery, Kurume University Hospital, Kurume, Japan, during the period from August 1, 1961, until July 31, 1973. In addition, the results of the present analyses were compared with the frequencies classed by diagnosis of inpatients during the one year following an increase in number of beds assigned to our department. 1. There were 22173 new patients who came to the Outpatient Clinic at our department during the above-mentioned period, and 911 of them, accounting for 4.2% of the new patiens, were hospitalized. 2. On sex difference, males was more frequent, the male-female ratio being 1.5: 1. On age difference, there were 418 infant and children aged less than 10 years, accounting for 46% of the 911, and the higher the age, the less was the number of hospitalized patients. 3. With regard to the classification of diseases by diagnosis, 429 cases of malformation were most frequent, amounting to 47.1 % of the whole, followed by 175 cases of trauma, (19.2%); by tumor, (11.4%); by inflammation, (8.9%), and by cyst, (8%). 4. The patients were hospitalized for a minimum of two days, for a maximum of 285 days, and for 38 days on the average, and the average periods of hospitalization of main disease were as follows : malformation for 40 days, trauma for 51 days, malignant tumor for 74 days, and benign tumor for 36 days. 5. The regional distribution pattern of the inpatients was such that 261 of them, accounting for the greatest part, i. e., 28.6% of the whole, were from the area within 10 kilometers, and all the cases from the areas within 20 kilometers, accounted for more than one half of all the whole.

CLINICAL STATISTIC OBSERVATIONS OF INPATIENTS OF THE DEPARTMENT OF ORAL SURGERY DURING THE PAST 12 YEARS

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