지난 8년간의 구강악안면외과 입원환자에 대한 임상통계학적 분석

Clinicostastical study of inpatient of oral and maxillofacial surgery between 1986-1993 : II. Characters of impatient of department of oral and maxillofacial surgery

We analyzed the age, sex, diagnosis, admission date, address, admission route, anesthetic method, and operation time of patients who had admitted to our department of OMS during late 8 years(1986-1993), following results abuot patient s characteristics and treatment progress were obtained. 1. The dominant disease of inpatients was the facial bone fractures group as 45.8% and there was remarkable increase in maxillofacial deformity group since 1992. 2. To study comparison with age, the number of inpatient should the highest ratio at the 3rd decade and 4th decade, 2nd decade in the order 3. The ratio of male to female was 2.0 : 1 4. The number of the inpatient was increased in December, and there was increase in infection group in May and in September specifically. 5. Almost half of the patient(50.7%) were from Taegu city and 12.0% of the patients were from Andong in Kyungpook province. 6. By the route of admission, 69.1% of the patient were admitted via OPD(18.3% transfered from other hospital), and 30.9% of the patient were admitted via ER(10.9% transfered from other hospital). 7. By the rate of operation among total inpatients, the order of frequency was as follows : cyst group)98.5%), plate removal group(97.4%), plastic and reconstructive surgery group(96.9%), maxillofacial deformity group(91.6%). As a whole, the rates of operation were about 60% in the early period(1986-89), but increased to 70-80% in the late period(90-93). 8. By the operation time, average operation time was 6.6 hours for the malignant tumor patient, 5.2 hours for the maxillofacial deformity patient, 4.4 hours for the TMJ disease patient, and 3.2 hours for the cleft patient. 9. Admission period was increased in proportion to the operation time, and it was 36.9 days in malignant tumor group, 26.9 days in plastic and reconstructive surgery group, 21.0 days in TMJ disease group, and 20.5 days in fracture group. 10. In the study of the causes of fracture, the following order of frequency was obtained : traffic accident(44.7%), fall down(32.7), fist blow(16.6%). Most of the fracture patient(about 90.9%) have undergone the operation to remove plate about