Search Results - "Seokyung Hahn"

Understanding noninferiority trials by Hahn, Seokyung

“…Noninferiority trials test whether a new experimental treatment is not unacceptably less efficacious than an active control treatment already in use. With…”
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Testing a tool for assessing the risk of bias for nonrandomized studies showed moderate reliability and promising validity by Kim, Soo Young, Park, Ji Eun, Lee, Yoon Jae, Seo, Hyun-Ju, Sheen, Seung-Soo, Hahn, Seokyung, Jang, Bo-Hyoung, Son, Hee-Jung

“…Abstract Objectives To develop and validate a new risk-of-bias tool for nonrandomized studies (NRSs). Study Design and Setting We developed the Risk of Bias…”
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Gastrectomy plus chemotherapy versus chemotherapy alone for advanced gastric cancer with a single non-curable factor (REGATTA): a phase 3, randomised controlled trial by Fujitani, Kazumasa, MD, Yang, Han-Kwang, Prof, Mizusawa, Junki, MSc, Kim, Young-Woo, MD, Terashima, Masanori, MD, Han, Sang-Uk, MD, Iwasaki, Yoshiaki, MD, Hyung, Woo Jin, MD, Takagane, Akinori, MD, Park, Do Joong, MD, Yoshikawa, Takaki, MD, Hahn, Seokyung, PhD, Nakamura, Kenichi, MD, Park, Cho Hyun, MD, Kurokawa, Yukinori, MD, Bang, Yung-Jue, Prof, Park, Byung Joo, Prof, Sasako, Mitsuru, Prof, Tsujinaka, Toshimasa, Dr

“…Summary Background Chemotherapy is the standard of care for incurable advanced gastric cancer. Whether the addition of gastrectomy to chemotherapy improves…”
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An approach to exploring patterns of imbalance and potential missingness in reports of the randomized baseline values for primary outcomes measurable at baseline in randomized controlled trials for meta-analyses by Park, Eun-Gee, Hahn, Seokyung

“…This study evaluated the adequacy of randomization in randomized controlled trials by investigating baseline differences in the primary outcome when a…”
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Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitors vs Conventional Chemotherapy in Non–Small Cell Lung Cancer Harboring Wild-Type Epidermal Growth Factor Receptor: A Meta-analysis by Lee, June-Koo, Hahn, Seokyung, Kim, Dong-Wan, Suh, Koung Jin, Keam, Bhumsuk, Kim, Tae Min, Lee, Se-Hoon, Heo, Dae Seog

“…IMPORTANCE Current guidelines recommend both epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) and cytotoxic chemotherapy drugs as…”
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A Randomized Controlled Trial of Fibrin Glue to Prevent Bleeding After Gastric Endoscopic Submucosal Dissection by Lee, Hyun Deok, Lee, Eunwoo, Kim, Sang Gyun, Shin, Cheol Min, Park, Jun Chul, Choi, Kee Don, Hahn, Seokyung, Cho, Soo-Jeong

“…This study evaluated the efficacy of fibrin glue for preventing postendoscopic submucosal dissection (ESD) bleeding in high-risk patients for bleeding…”
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A method for assessing robustness of the results of a star-shaped network meta-analysis under the unidentifiable consistency assumption by Yoon, Jeong-Hwa, Dias, Sofia, Hahn, Seokyung

“…Abstract Background In a star-shaped network, pairwise comparisons link treatments with a reference treatment (often placebo or standard care), but not with…”
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Reoperation rate after surgery for lumbar spinal stenosis without spondylolisthesis: a nationwide cohort study by Kim, Chi Heon, MD, PhD, Chung, Chun Kee, MD, PhD, Park, Choon Seon, PhD, Choi, Boram, PhD, Hahn, Seokyung, PhD, Kim, Min Jung, MS, Lee, Kun Sei, MD, MPH, PhD, Park, Byung Joo, MD, MPH, PhD

“…Abstract Background context Lumbar spinal stenosis is one of the most common degenerative spine diseases. Surgical options are largely divided into…”
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Bidirectional associations between periodontal disease and systemic diseases: a nationwide population-based study in Korea by Nabila, Salma, Choi, Jaesung, Kim, Ji-Eun, Hahn, Seokyung, Hwang, In-Kyung, Kim, Tae-Il, Park, Hee-Kyung, Choi, Ji-Yeob

“…To evaluate the associations of periodontal disease (PD) with systemic diseases, including diabetes mellitus (DM) and cardiovascular disease (CVD), as well as…”
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First-line Pembrolizumab Versus Pembrolizumab Plus Chemotherapy Versus Chemotherapy Alone in Non–small-cell Lung Cancer: A Systematic Review and Network Meta-analysis by Kim, Ryul, Keam, Bhumsuk, Hahn, Seokyung, Ock, Chan-Young, Kim, Miso, Kim, Tae Min, Kim, Dong-Wan, Heo, Dae Seog

“…This study aimed to comprehensively review the available evidence regarding the efficacy of first-line pembrolizumab for advanced/metastatic non–small-cell…”
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A randomized comparison of the Saphenous Vein Versus Right Internal Thoracic Artery as a Y-Composite Graft (SAVE RITA) trial: One-year angiographic results and mid-term clinical outcomes by Kim, Ki-Bong, MD, PhD, Hwang, Ho Young, MD, PhD, Hahn, Seokyung, PhD, Kim, Jun Sung, MD, Oh, Se Jin, MD

“…Objective The Saphenous Vein Versus Right Internal Thoracic Artery as a Y-Composite Graft (SAVE RITA) trial was designed to evaluate the noninferiority of the…”
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Effects of Dipeptidyl Peptidase-4 Inhibitors on Renal Outcomes in Patients with Type 2 Diabetes: A Systematic Review and Meta-Analysis by Bae, Jae Hyun, Kim, Sunhee, Park, Eun Gee, Kim, Sin Gon, Hahn, Seokyung, Kim, Nam Hoon

“…To investigate the effects of dipeptidyl peptidase-4 (DPP-4) inhibitors on renal outcomes in patients with type 2 diabetes. MEDLINE, Embase, and the Cochrane…”
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Development of an algorithm for evaluating the impact of measurement variability on response categorization in oncology trials by Yoon, Jeong-Hwa, Yoon, Soon Ho, Hahn, Seokyung

“…Radiologic assessments of baseline and post-treatment tumor burden are subject to measurement variability, but the impact of this variability on the objective…”
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Safety and efficacy of everolimus- versus sirolimus-eluting stents: A systematic review and meta-analysis of 11 randomized trials by Park, Kyung Woo, MD, PhD, Kang, Si-Hyuck, MD, Velders, Matthijs A., MD, Shin, Dong-Ho, MD, Hahn, Seokyung, PhD, Lim, Woo-Hyun, MD, Yang, Han-Mo, MD, PhD, Lee, Hae-Young, MD, PhD, Van Boven, Adrianus J., MD, PhD, Hofma, Sjoerd H., MD, PhD, Kang, Hyun-Jae, MD, PhD, Koo, Bon-Kwon, MD, PhD, Oh, Byung-Hee, MD, PhD, Park, Young-Bae, MD, PhD, Kandzari, David E., MD, Kim, Hyo-Soo, MD, PhD

“…Background While EES have proven superior to paclitaxel-eluting stents, it remains uncertain whether EES improve clinical outcomes compared to SES, which are…”
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Effect of Preoperative Androgen Stimulation on Penile Size and Postoperative Complication Rate in Patients with Hypospadias: A Systematic Review and Meta-Analysis by Do, Minh-Tung, Kim, Louis, Im, Young Jae, Hahn, Seokyung, Park, Kwanjin

“…To systematically review and evaluate the beneficial effects of preoperative androgen stimulation (PAS) on penile length, glans width, and postoperative…”
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Diagnosis of Idiopathic Pulmonary Fibrosis in a Possible Usual Interstitial Pneumonia Pattern: a meta-analysis by Kim, Heekyung, Yoon, Soon Ho, Hong, Hyunsook, Hahn, Seokyung, Goo, Jin Mo

“…This study aimed to determine whether a surgical lung biopsy is essential for IPF diagnosis with the possible UIP CT pattern. We performed literature searches…”
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Long-Term Outcome of Time-Staged Gamma Knife Radiosurgery for Large Arteriovenous Malformations by Myeong, Ho Sung, Jeong, Sang Soon, Kim, Jung Hoon, Lee, Jae Meen, Park, Kwang Hyon, Park, Kawngwoo, Park, Hyun Joo, Park, Hye Ran, Yoon, Byung Woo, Hahn, Seokyung, Lee, Eun Jung, Kim, Jin Wook, Chung, Hyun Tai, Kim, Dong Gyu, Paek, Sun Ha

“…Treatment for large (> 10 mL) arteriovenous malformations (AVMs) remains highly challenging. This study evaluated long-term effect of time-staged gamma knife…”
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Comparative Renal Effects of Dipeptidyl Peptidase-4 Inhibitors and Sodium-Glucose Cotransporter 2 Inhibitors on Individual Outcomes in Patients with Type 2 Diabetes: A Systematic Review and Network Meta-Analysis by Bae, Jae Hyun, Park, Eun-Gee, Kim, Sunhee, Kim, Sin Gon, Hahn, Seokyung, Kim, Nam Hoon

“…To compare the renal effects of dipeptidyl peptidase-4 (DPP-4) inhibitors and sodium-glucose cotransporter 2 (SGLT2) inhibitors on individual outcomes in…”
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Nomogram for sample size calculation on a straightforward basis for the kappa statistic by Hong, Hyunsook, MS, Choi, Yunhee, PhD, Hahn, Seokyung, PhD, Park, Sue Kyung, PhD, Park, Byung-Joo, PhD

“…Abstract Purpose Kappa is a widely used measure of agreement. However, it may not be straightforward in some situation such as sample size calculation due to…”
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Methodological bias in cluster randomised trials by Hahn, Seokyung, Puffer, Suezann, Torgerson, David J, Watson, Judith

“…Cluster randomised trials can be susceptible to a range of methodological problems. These problems are not commonly recognised by many researchers. In this…”
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