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J Korean Soc Emerg Med > Volume 22(6); 2011 > Article
Journal of The Korean Society of Emergency Medicine 2011;22(6): 676-683.
Multivariate Analysis of Physical and Laboratory Factors for Acute Abdomen Detection in Young Women Visiting the Emergency Department due to Non-Traumatic Abdominal Pain
Chang Jae Lee, Duko Lim, Su Guun Jin, Tae Nyoung Chung, Ok Jun Kim, Sung Wook Choi, Eui Chung Kim, Yun Kyung Cho
1Department of Emergency Medicine, CHA University School of Medicine, Gyeonggi-do, Korea. hendrix74@cha.ac.kr
2Department of Internal Medicine, CHA University School of Medicine, Seoul, Korea.
One of the most challenging groups of patients to diagnose that visit an emergency department (ED) is the female with acute abdominal pain. The causes of acute abdominal pain range from minor, self-limiting conditions to life-threatening disorders. Differential diagnosis for these patients is extensive and frequently requires multiple examinations and tests. This study analyzed the effectiveness of surgical abdomen detection using various physical examination and clinical laboratory methods, for young women reporting non-traumatic abdominal pain.
This study reviewed computed tomography (CT) reports for 232 women, aged 21~35 years old, who visited our ED for nontraumatic abdominal pain from July 2009 to June 2010. Bivariate analyses relating physical and laboratory methods used to detect surgical abdomen were conducted. A multivariate logistic regression model was then derived, with all variables in the final model significant at p<0.05.
The number of patients who required surgical intervention was 88, while the number who did not require surgery was 144. Significant predictive methods for identifying surgical abdomen were maximal tenderness site (p=0.019), rebound tenderness (p=0.037), white blood cell count (p=0.012) and urine blood (p=0.037). The bootstrap result was identical in 1000 samples with a 95% confidence interval.
Maximal tenderness site, rebound tenderness, and results indicating leukocytosis and hematuria were found to be independently valid factors for detection of surgical abdomen in young women evaluated in our ED due for nontraumatic abdominal pain.
Key words: Abdominal pain, Women, Laboratory, Physical examination, Surgical abdomen, Acute abdomen
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