- Proportionality assuption test of Cox's proportional hazards model in survival analysis
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Lee MS, Yoo KY, Noh DY, Choe KJ
- KMID: 2175510
- J Korean Cancer Assoc.
- 1991 Dec;23(4):852-859.
No abstract available. -
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- Development and Evaluation of Electronic Health Record Data-Driven Predictive Models for Pressure Ulcers
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Park SK, Park HA, Hwang H
- KMID: 2461857
- J Korean Acad Nurs.
- 2019 Oct;49(5):575-585.
- doi: 10.4040/jkan.2019.49.5.575
PURPOSE: The purpose of this study was to develop predictive models for pressure ulcer incidence using electronic health record (EHR) data and to compare their predictive validity performance indicators with... -
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- Statistical Note on the Survival Analysis
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Kim JK, Suh DC
- KMID: 1993748
- Neurointervention.
- 2009 Feb;4(1):6-7.
This brief note describes the principles of survival analysis. Survival analysis is method for studying the time between entry to a study and a subsequent event and is used frequently... -
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- Time-Dependent Effects of Prognostic Factors in Advanced Gastric Cancer Patients
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Kwon JO, Jin SH, Min JS, Kim MS, Lee HW, Park S, Yu HJ, Bang HY, Lee JI
- KMID: 2391558
- J Gastric Cancer.
- 2015 Dec;15(4):238-245.
- doi: 10.5230/jgc.2015.15.4.238
PURPOSE: This study aimed to identify time-dependent prognostic factors and demonstrate the time-dependent effects of important prognostic factors in patients with advanced gastric cancer (AGC). MATERIALS AND METHODS: We retrospectively evaluated... -
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- Effects of Smoking on Menopausal Age: Results From the Korea National Health and Nutrition Examination Survey, 2007 to 2012
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Yang HJ, Suh PS, Kim SJ, Lee SY
- KMID: 2381471
- J Prev Med Public Health.
- 2015 Jul;48(4):216-224.
- doi: 10.3961/jpmph.15.021
OBJECTIVES: Decreased fertility and impaired health owing to early menopause are significant health issues. Smoking is a modifiable health-related behavior that influences menopausal age. We investigated the effects of smoking-associated... -
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- Development of the Individualized Health Risk Appraisal Model of Breast Cancer Risk in Korean Women
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Jee SH, Song JW, Nam CM
- KMID: 2303926
- Korean J Epidemiol.
- 2004 Jun;26(1):50-58.
OBJECTIVES: The objectives of this study were to develop a health risk appraisal (HRA) model of breast cancer and to evaluate the model's ability to accurately predict ndividual breast cancer... -
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- Evaluation of risk prediction model for stroke risk based on Cox's and Weibull model in Korea
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Kim YN, Cho UR, Nam BH, Park IS, Jee SH
- KMID: 2233450
- Korean J Epidemiol.
- 2008 Jun;30(1):41-48.
OBJECTIVE: The objective was to compare Cox proportional hazards model and Weibull model for predicting long-term probabilities for stroke risk in the Korean Cancer Prevention Study(KCPS). METHODS: The subjects comprised of... -
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- Statistical Issues in Genomic Cohort Studies
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Park S
- KMID: 1125671
- J Prev Med Public Health.
- 2007 Mar;40(2):108-113.
- doi: 10.3961/jpmph.2007.40.2.108
When conducting large-scale cohort studies, numerous statistical issues arise from the range of study design, data collection, data analysis and interpretation. In genomic cohort studies, these statistical problems become more... -
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- The analysis of prognostic factors in patients with epithelial ovarian cancer
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Yun JH, Lee HY, Park HW, Shin JW, Lee JM, Park CY
- KMID: 2013150
- Korean J Obstet Gynecol.
- 2006 Mar;49(3):566-571.
OBJECTIVE: To determine pathologic variables associated with overall survival and disease free survival of patients with epithelial ovarian cancer. METHODS: Diesease free survival and overall survival of 80 ovarian cancer patients... -
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- Interactions between Alcohol Consumption and Adjuvant Hormone Therapy in Relation to Breast Cancer-Free Survival
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Kowalski A, Striley CW, Varma DS, Egan KM, Yaghjyan L
- KMID: 2413934
- J Breast Cancer.
- 2018 Jun;21(2):158-164.
- doi: 10.4048/jbc.2018.21.2.158
PURPOSE: Alcohol consumption is associated with an increase in breast cancer risk, but findings on the association of alcohol with survival after breast cancer diagnosis have been inconsistent. Further, whether... -
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- Survival analysis: part II – applied clinical data analysis
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In J, Lee DK
- KMID: 2465743
- Korean J Anesthesiol.
- 2019 Oct;72(5):441-457.
- doi: 10.4097/kja.19183
As a follow-up to a previous article, this review provides several in-depth concepts regarding a survival analysis. Also, several codes for specific survival analysis are listed to enhance the understanding... -
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- Pulsed Dye Laser Treatment Combined with Oral Minocycline Reduces Recurrence Rate of Rosacea
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Ko HS, Suh YJ, Byun JW, Choi GS, Shin J
- KMID: 2388904
- Ann Dermatol.
- 2017 Oct;29(5):543-547.
- doi: 10.5021/ad.2017.29.5.543
BACKGROUND: The recurrence rate of rosacea was not known very well, but has been reported as 60% in 6 months after withdrawal of the drug. It is not known which... -
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- Prognostic Factors in Superficial Bladder Cancer: An Analysis of 178 Cases
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Cho JS, Lee JM, Lee YT
- KMID: 2289510
- Korean J Urol.
- 1989 Jun;30(3):291-300.
Superficial bladder cancer is a disease with variable biologic potential. The behavior of the disease varies, depending upon the tumor characteristics evident on initial evaluation. A retrospective study of 178... -
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- Therapeutic results and prognostic predictors of childhood acute lymphoblastic leukemia: Cox regression analysis
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Kook H, Hwang TJ, Yang DW, Moon JD
- KMID: 1421877
- J Korean Med Sci.
- 1991 Dec;6(4):348-354.
- doi: 10.3346/jkms.1991.6.4.348
Determining the current status of therapeutic results of acute lymphoblastic leukemia (ALL), and identifying the important clinical predictors of survival and relapse are essential for establishing therapeutic strategies. Sixty-two children... -
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- The analysis of prognostic factors in endometrial cancer managed with surgical staging
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Yun JH, Rho HS, Sin JW, Lee JM, Park CY
- KMID: 2244585
- Korean J Gynecol Oncol.
- 2006 Jun;17(2):129-133.
OBJECTIVE: To determine pathologic variables associated with overall survival and disease free survival of patients with endometrial cancer. METHODS: Survival of 81 endometrial cancer patients treated with primary surgery between January... -
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- Application of Survival Analysis to Data from Discharge Abstract of Medical Record Department: Focused on Readniission
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Choi K, Hong J, Lee J
- KMID: 2329936
- J Korean Soc Med Inform.
- 2000 Dec;6(4):35-43.
Abundant data on patients have been accumulated in hospital since the introduction of the computerized system. Now data mining is required for the survival and growth of hospital. Cases of... -
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- Comparative Results of Trabeculectomy with Mitomycin C in Uveitic Glaucoma versus Primary Open-Angle Glaucoma
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Lee YH, Oh HJ, Cha SC
- KMID: 2214557
- J Korean Ophthalmol Soc.
- 2015 Sep;56(9):1408-1415.
- doi: 10.3341/jkos.2015.56.9.1408
PURPOSE: In this study we evaluated the long-term outcomes and prognostic factors of trabeculectomy with mitomycin C (MMC) in eyes with uveitic glaucoma (UG) compared with primary open-angle glaucoma (POAG). METHODS:... -
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- Usefulness of ISN/RPS Classification of Lupus Nephritis
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Sada KE, Makino H
- KMID: 1778134
- J Korean Med Sci.
- 2009 Jan;24(Suppl 1):S7-S10.
- doi: 10.3346/jkms.2009.24.S1.S7
About 50-80% of patients with lupus suffer from lupus nephritis which is one of major causes of morbidity and mortality. Renal pathologists and nephrologists should evaluate the degree of histological... -
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- A study on Statistical Method for Controlling the Effect of Intermediate Events: Application to the Control of the Healthy Worker Effect
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Nam CM, Kim J, Kang DR, Ahn YS, Lee HY, Lee DH
- KMID: 2303950
- Korean J Epidemiol.
- 2002 Jun;24(1):7-16.
PURPOSE: The healthy worker effect is an important issue in occupational epidemiology. This study was conducted to propose a new method to test the relation between exposure and mortality in... -
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- Clinicopathologic Features and Prognostic Factors for Patients with Large Gastric Tumors
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Jang YJ, Park JM, Kim JH, Park SS, Kim CS, Mok YJ
- KMID: 1565016
- J Korean Gastric Cancer Assoc.
- 2006 Dec;6(4):244-249.
PURPOSE: Tumor size has been reported to be one of the prognostic factors in the preoperative setting and 8 cm has been confirmed as a cut-off value for large gastric... -
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