results the command is addpred for logistic regression models. conclusions the stata package provided herein can encourage the use of novel methods in examining predictive capacity of ever-emerging plethora of novel biomarkers. materials and methods we have written a stata command that is intended to help researchers obtain cut point-free and cut point-based net reclassification improvement ind...

conclusions herein we have described the stata package “adpredsurv” for calculation of the nam-d’agostino x2 goodness of fit test as well as cut point-free and cut point-based nri, relative and absolute idi, and survival-based regression analyses. we hope this work encourages the use of novel methods in examining predictive capacity of the emerging plethora of novel biomarkers. background a fun...

Received, June 23, 2003. Accepted, April 7, 2004. OBJECTIVE: This retrospective study examined whether changes in ventricular volume correspond with changes in adjustable valve pressure settings in a cohort of patients who received shunts to treat idiopathic normal pressure hydrocephalus. We also examined whether these pressure–volume curves and other patient variables would co-occur with a pos...

Let ir(G) and γ(G) be the irredundance number and domination number of a graph G, respectively. The number of vertices and leafs of a graph G is denoted by n(G) and n1(G). If T is a tree, then Lemańska [4] presented in 2004 the sharp lower bound γ(T ) ≥ n(T ) + 2− n1(T ) 3 . In this paper we prove ir(T ) ≥ n(T ) + 2− n1(T ) 3 for an arbitrary tree T . Since γ(T ) ≥ ir(T ) is always valid, this ...

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a b c d Original Article The present study was conducted to estimate thyroid hormone levels i.e. T3, T4& TSH and to study the thyroid dysfunctions in patients with chronic renal failure. 30 male patients of aged between 40-70yrs with serum creatinine> 5.5mg/dl & urea > 55mg/dl and dipstick test positive for protein with symptoms of chronic renal failure are taken in the study.Serum levels of T3...

aligning financial incentives (fis) to health policy goals is becoming increasingly popular. in many cases, such initiatives have failed to deliver anticipated benefits. attributing this to the actions of self-interested and resistant professionals is not an entirely helpful approach. it is important to avoid simplistic assumptions to build knowledge of how and why schemes are implemented in pr...

introduction: assessment tools of academic achievement in the field of surgery have always been received considerable attention. the issue that has received less attention is that which one of these methods has higher efficiency to cover appropriately educational objectives in surgical groups. this survey aimed to evaluate the results of three examinations (including osce, in-group educational ...