Abstract:
OBJECTIVE:• To employ decision curve analysis to determine the impact of nuclear matrix protein 22 (NMP22) on clinical decision making in the detection of bladder cancer using data from a prospective trial. PATIENTS AND METHODS:• The study included 1303 patients at risk for bladder cancer who underwent cystoscopy, urine cytology and measurement of urinary NMP22 levels. • We constructed several prediction models to estimate risk of bladder cancer. The base model was generated using patient characteristics (age, gender, race, smoking and haematuria); cytology and NMP22 were added to the base model to determine effects on predictive accuracy. • Clinical net benefit was calculated by summing the benefits and subtracting the harms and weighting these by the threshold probability at which a patient or clinician would opt for cystoscopy. RESULTS:• In all, 72 patients were found to have bladder cancer (5.5%). In univariate analyses, NMP22 was the strongest predictor of bladder cancer presence (predictive accuracy 71.3%), followed by age (67.5%) and cytology (64.3%). • In multivariable prediction models, NMP22 improved the predictive accuracy of the base model by 8.2% (area under the curve 70.2-78.4%) and of the base model plus cytology by 4.2% (area under the curve 75.9-80.1%). • Decision curve analysis revealed that adding NMP22 to other models increased clinical benefit, particularly at higher threshold probabilities. CONCLUSIONS:• NMP22 is a strong, independent predictor of bladder cancer. • Addition of NMP22 improves the accuracy of standard predictors by a statistically and clinically significant margin. • Decision curve analysis suggests that integration of NMP22 into clinical decision making helps avoid unnecessary cystoscopies, with minimal increased risk of missing a cancer.
journal_name
BJU Intjournal_title
BJU internationalauthors
Barbieri CE,Cha EK,Chromecki TF,Dunning A,Lotan Y,Svatek RS,Scherr DS,Karakiewicz PI,Sun M,Mazumdar M,Shariat SFdoi
10.1111/j.1464-410X.2011.010419.xsubject
Has Abstractpub_date
2012-03-01 00:00:00pages
685-90issue
5eissn
1464-4096issn
1464-410Xjournal_volume
109pub_type
杂志文章,多中心研究abstract:OBJECTIVE:To assess the extent to which prostate HistoScanning (PHS), a new ultrasound-based technology that uses computer-aided analysis to quantify tissue disorganization induced by malignant processes, can identify and characterize foci of prostate cancer compared with step-sectioned radical prostatectomy (RP) speci...
journal_title:BJU international
pub_type: 杂志文章
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journal_title:BJU international
pub_type: 杂志文章
doi:10.1111/j.1464-410X.2007.07046.x
更新日期:2007-10-01 00:00:00
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journal_title:BJU international
pub_type: 杂志文章,评审
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journal_title:BJU international
pub_type: 杂志文章
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journal_title:BJU international
pub_type: 杂志文章
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journal_title:BJU international
pub_type: 杂志文章,多中心研究,随机对照试验
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更新日期:2007-07-01 00:00:00
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journal_title:BJU international
pub_type: 杂志文章,随机对照试验
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更新日期:2012-12-01 00:00:00
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pub_type: 杂志文章
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pub_type: 传,历史文章,杂志文章
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pub_type: 杂志文章,meta分析,评审
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pub_type: 杂志文章,评审
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pub_type: 临床试验,杂志文章
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更新日期:2013-11-01 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2006-02-01 00:00:00
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journal_title:BJU international
pub_type: 杂志文章
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更新日期:2017-06-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2013-02-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2014-04-01 00:00:00
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pub_type: 杂志文章
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更新日期:2011-01-01 00:00:00
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pub_type: 杂志文章,多中心研究
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更新日期:2010-02-01 00:00:00
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更新日期:2011-09-01 00:00:00
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更新日期:2008-12-01 00:00:00
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更新日期:2007-02-01 00:00:00