Title Page
Contents
Abstract 7
Ⅰ. Introduction 10
Ⅱ. Material and Methods 11
1. Study subjects 11
2. Evaluation method 11
2.1. Radiologic evaluation 12
2-2. Clinical evaluation 13
2-3. Surgical methods 13
Ⅲ. Results 14
Ⅳ. Discussion 17
Ⅴ. Limitation 19
Ⅵ. Conclusion 20
참고 문헌 22
국문 요약 31
Table 1. Patient demographics and characteristics 27
Table 2. Comparision of preoperative radiologic outcome 28
Table 3. Comparision of postoperative radiologic outcome 29
Table 4. Correlation between demographic data and postoperative radiologic outcome using rogistic regression analysis 30
Table 5. Comparison of preoperative and postoperative clinical outcome 30