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Tips for troublesome sample-size calculation

In J, Kang H, Kim JH, Kim TK, Ahn EJ, Lee DK, Lee S, Park JH

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Tips for troublesome sample-size calculation

In J, Kang H, Kim JH, Kim TK, Ahn EJ, Lee DK, Lee S, Park JH

Properly set sample size is one of the important factors for scientific and persuasive research. The sample size that can guarantee both clinically significant differences and adequate power in the...
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The Effectiveness of Dexmedetomidine in Vacuum-Assisted Breast Biopsy Under Monitored Anesthesia Care

Kim KW, Park JH, Kim S, Ahn EJ, Kim HJ, Choi HR, Chang YG, Bang SR

OBJECTIVES: Vacuum-assisted breast biopsy (VABB) is a widely used technique for the diagnosis of breast lesions. It is carried out with local anesthesia, but procedural pain and stress are still...
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Assessment of P values for demographic data in randomized controlled trials

Ahn EJ, Kim JH, Kim TK, Park JH, Lee DK, Lee S, In J, Kang H

In a large number of randomized controlled trials, researchers provide P values for demographic data, which are commonly reported in table 1 of the article for the purpose of emphasizing...
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A retrospective single-center study comparing clinical outcomes of 3-dimensional and 2-dimensional laparoscopic cholecystectomy in acute cholecystitis

Yun JJ, Kim EY, Ahn EJ, Kim JK, Choi JH, Park JM, Park SH

BACKGROUNDS/AIMS: Laparoscopic cholecystectomy (LC) has become widely used and preferred standard treatment for gallbladder (GB) disease in many countries. In this study, we aimed to compare the overall clinical outcomes...
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Genotype-Phenotype Correlation of SMN1 and NAIP Deletions in Korean Patients with Spinal Muscular Atrophy

Ahn EJ, Yum MS, Kim EH, Yoo HW, Lee BH, Kim GH, Ko TS

BACKGROUND AND PURPOSE: Spinal muscular atrophy (SMA) is an autosomal recessive neuromuscular disease characterized by progressive muscle weakness and atrophy. Most SMA patients have a homozygous deletion in survival of...
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The Benefits of Percutaneous Transhepatic Gallbladder Drainage prior to Laparoscopic Cholecystectomy for Acute Cholecystitis

Oh B, Kim E, Ahn EJ, Park JM, Park SH

PURPOSE: Several studies have reported that laparoscopic cholecystectomy with percutaneous transhepatic gallbladder drainage (PTGBD) is associated with a reduced duration of surgery and a lower rate of conversion to open...
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Laparoscopic Treatment of Intestinal Obstruction

Hur JH, Oh B, Kim E, Ahn EJ, Park SH, Park JM

PURPOSE: Open adhesiolysis has been the favored approach regarding surgical management of intestinal obstruction. Following the development of laparoscopic devices and necessary surgical techniques, laparoscopic treatment of intestinal obstruction and...
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Analysis of midpalatal miniscrew-assisted maxillary molar distalization patterns with simultaneous use of fixed appliances: A preliminary study

Mah SJ, Kim JE, Ahn EJ, Nam JH, Kim JY, Kang YG

Skeletal anchorage-assisted upper molar distalization has become one of the standard treatment modalities for the correction of Class II malocclusion. The purpose of this study was to analyze maxillary molar...
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Health Literacy of Elementary School Students

Ahn EJ, Kwon IS

PURPOSE: The purpose of this study was to identify health literacy levels of elementary school students. METHODS: Participants were 331 fifth and sixth graders in nine elementary schools located in Gyeongsangnam-do....
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Associations between the Risk of Internet Addiction and Problem Behaviors among Korean Adolescents

Sung J, Lee J, Noh HM, Park YS, Ahn EJ

BACKGROUND: The number of internet users is increasing rapidly and internet addiction among adolescents has become a serious public health problem in Korea. In the light of behavioral addiction, this...
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Phrenic nerve palsy after internal jugular venous catheter placement

Ahn EJ, Baek CW, Shin HY, Kang H, Jung YH

No abstract available.
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Heart Rate Variability and Lipid Profile in Patients with Major Depressive Disorder

Ahn EJ, Choi JS, Jang YL, Lee HW, Sim HB

  • KMID: 2317516
  • Sleep Med Psychophysiol.
  • 2012 Jun;19(1):27-34.
OBJECTIVES: The analysis of heart rate variability (HRV) is a useful non-invasive tool to investigate the autonomic nerve function. Previous studies on the relationship between HRV and depression have been...
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Miscellaneous Endovascular Treatment of Ruptured Hepatic Artery Pseudoaneurysms after Pylorus Preserving Pancreaticoduodenectomy

Kang UR, Kim YH, Kim SH, Ahn EJ, Lee YH

PURPOSE: To assess the feasibility and safety of the endovascular treatment of ruptured hepatic artery pseudoaneurysms after pylorus preserving pancreaticoduodenectomy (PPPD). MATERIALS AND METHODS: Thirteen patients with hepatic artery pseudoaneurysm after...
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Association of Immune Status with Recurrent Anal Condylomata in Human Immunodeficiency Virus-Positive Patients

Sung JH, Ahn EJ, Oh HK, Park SH

PURPOSE: An anal condyloma is a proliferative disease of the genital epithelium caused by the human papillomavirus. This condition is most commonly seen in male homosexuals and is frequently recurrent....
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Effects of pneumoperitoneal pressure and position changes on respiratory mechanics during laparoscopic colectomy

Park JS, Ahn EJ, Ko DD, Kang H, Shin HY, Baek CH, Jung YH, Woo YC, Kim JY, Koo GH

BACKGROUND: This study was designed to assess the effects of pneumoperitoneal pressure (PP) and positional changes on the respiratory mechanics during laparoscopy assisted colectomy. METHODS: Peak inspiratory pressure, plateau pressure, lung...
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A Clinical Comparison of Laparoscopic versus Open Appendectomy for Complicated Appendicitis

Lim SG, Ahn EJ, Kim SY, Chung IY, Park JM, Park SH, Choi KW

PURPOSE: Although laparoscopic appendectomies (LAs) are performed universally, a controversy still exists whether the LA is an appropriate surgical approach to complicated appendicitis (CA). We retrospectively evaluated the outcomes of...
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The Effect of Zinc Status on Salty Taste Acuity, Salty Taste Preference, Sodium Intake and Blood Pressure in Korean Young Adults

Ahn EJ, Noh HY, Chung J, Paik HY

High sodium intake is one of the risk factors for the development of hypertension. According to 2007 Korean National Health and Nutrition Examination Survey, sodium intake of Korean was three...
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The Early Experience of Laparoscopy-assisted Gastrectomy for Gastric Cancer at a Low-volume Center

Yang SJ, Ahn EJ, Park SH, Kim JH, Park JM

  • KMID: 2372658
  • J Gastric Cancer.
  • 2010 Dec;10(4):241-246.
PURPOSE: Laparoscopy-assisted gastrectomy (LAG) has become a technically feasible and safe procedure for early gastric cancer treatment. LAG is being increasingly performed in many centers; however, there have been few...
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Laparoscopically Assisted Total Colectomy with J-pouch Formation for Intractable Chronic Constipation due to Hypoganglionosis: A Case Report

Yang SJ, Ahn EJ, Park SH, Kim JH, Ahn HS, Park JM

  • KMID: 2100223
  • J Korean Soc Endosc Laparosc Surg.
  • 2010 Dec;13(2):153-156.
Chronic constipation has been successfully treated with specific medications and bio-feedback therapy. Surgical manipulation for this condition can be an option when non-surgical interventions fail. We report here on a...
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