نتایج جستجو برای: nomograms
تعداد نتایج: 1983 فیلتر نتایج به سال:
PURPOSE Kattan and Stephenson nomograms are based on the outcomes of patients with prostate cancer recruited in the USA, but their applicability to Chinese patients is yet to be validated. We aim at studying the predictive accuracy of these nomograms in the Chinese population. PATIENTS AND METHODS A total of 408 patients who underwent laparoscopic or open radical resection of prostate from 19...
In this study, we aimed to develop and validate nomograms for predicting long-term overall survival (OS) and cancer-specific survival (CSS) in major salivary gland cancer (MSGC) patients. These nomograms were developed using a retrospective cohort (N=4218) from the Surveillance, Epidemiology, and End Results (SEER) database, and externally validated using an independent data cohort (N=244). We ...
BACKGROUND AND OBJECTIVES Therapeutic drug monitoring is applied to a range of drugs. To predict an appropriate dosing regimen, models based on Bayesian techniques have been used. However, this approach requires a well trained professional and sophisticated software. The objectives of this study were first to develop kinetic nomograms as a useful tool to achieve individual drug blood concentrat...
BACKGROUND Neck dissection for laryngeal squamous cell carcinoma (LSCC) patients could provide complementary prognostic information for AJCC N staging, like lymph node ratio (LNR). The aim of this study was to develop effective nomograms to better predict survival for LSCC patients treated with neck dissection. RESULTS 2752 patients were identified and randomly divided into training (n = 2477...
The aim of this study was to establish nomograms, based on significant clinicopathologic parameters, for predicting the overall survival (OS) and the cancer-specific survival (CSS) of patients with classical Hodgkin lymphoma (CHL). The data of 43,330 CHL patients, diagnosed between 1983 and 2014, were obtainedfrom the database of the Surveillance, Epidemiology, and End Results (SEER) program. T...
PURPOSE Although several clinical nomograms predictive of biochemical failure-free survival (BFFS) for localized prostate cancer exist in the medical literature, making valid comparisons can be challenging due to variable definitions of biochemical failure, the disparate distribution of prognostic factors, and received treatments in patient populations. The aim of this investigation was to deve...
Background: The aim of this study was to build nomograms to predict local recurrence (LR) and regional recurrence (RR) in patients with nasopharyngeal carcinoma (NPC) underwent intensity-modulated radiation therapy (IMRT). Patients and Methods : A total of 1811 patients with non-metastatic NPC treated with IMRT (with or without chemotherapy) between October 2009 and February 2012 at our center ...
abstract background: normal standard references of blood pressure (bp) for children and adolescents should be constructed according to anthropometric indices. therefore , we aimed to produce bp reference percentiles by body mass index (bmi). methods: data on demographic characteristics, anthropometric indices and bp values of 16246 3-18-year-old children and adolescents from 3 cross-sectional s...
TO THE EDITOR: The review by Grimes (1) of the history of nomograms was informative. However, his criticism of the “epidemic” of nomogram resurgence was fundamentally unsubstantiated. Grimes states that “nomograms provided speed in calculation at the cost of precision” without providing any evidence that the lost precision mattered. Where is the evidence, for example, that calculating likelihoo...
BACKGROUND In this era of individualized cancer treatment, data that could be applied to predicting the survival of patients with osteosarcoma are still limited because of the rarity of the disease and the difficulty in accumulating a sufficient number of patients. Therefore, a multi-institutional collaboration was implemented to develop and externally validate nomograms that would predict meta...
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