[Computer automated diagnosis of coronary heart disease by means of multivariate discriminant analysis of the exercise electrocardiogram (author's transl)].
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Adult↗
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Results for “Discriminant Analysis”
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An attempt at eliminating the high risk group of breast cancer on the basis of the discriminating analysis.
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Adolescent↗
An almost unbiased method of obtaining confidence intervals for the probability of misclassification in discriminant analysis.
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Analysis of Variance↗
A discriminant analysis of student utilization behavior at a university health service.
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Female↗
Clinical differentiation between portal vein thrombosis (PVT), non-cirrhotic portal fibrosis (NCPF) and cirrhosis by discriminant analysis.
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Diagnosis, Computer-Assisted↗
[Use of discriminant analysis on the relative frequencies of the cyclic stages of the seminiferous epithelium in the mouse].
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Animals↗
Prediction of areas endemic for schistosomiasis through use of discriminant analysis of environmental data.
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Chemical Precipitation↗
The use of stratified sampling and discriminant analysis in patient perception surveying: results of a study at an Army Community Hospital.
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Consumer Behavior↗
[Value of discriminating analysis for evaluation of the prognosis of direct vascular surgery].
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Adult↗
[Classification of liver diseases based on discriminant analysis of serum enzyme activities].
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Analysis of Variance↗
[Quantitative morphometric and functional-anatomical studies on the locomotor apparatus of varsity athletes. I. Introduction, material and methods, discriminance analysis].
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Adult↗
Discriminant analysis of the changing risks of coronary artery operations: 1971-1979.
The risk of perioperative myocardial infarction (PMI) and operative mortality (OM) associated with coronary artery bypass grafting (CABG) has declined since the introduction of this procedure 15 years ago. Rigorous scientific investigation of the reasons for this trend has been hindered by the complex interactions between changing indications for operation, criteria for patient selection, and management methods. Using univariate and multivariate logistic regression analyses, we investigated the effects of 42 variables on PMI and OM for two cohorts undergoing CABG between 1971 and 1975 (Group A) and 1977 and 1979 (Group B). According to previously identified risk factors, Group B patients were at higher potential risk than those in Group A. Nevertheless, the PMI and OM rates declined from 8.7% +/- 0.9% to 4.6% +/- 0.7% (p = 0.005) and from 2.4% +/- 0.5% to 1.2% +/- 0.4% (p = 0.07), respectively. In calendar year 1979 (N = 438), the PMI and OM rates were 2.8% +/- 0.8% and 0.7% +/- 0.4%. More importantly, the independent determinants of PMI and OM for the two time intervals were distinctly different. Factors which affected the PMI rate in Group A were no longer determinants of PMI in Group B; with the exception of emergency operation and, to a modest extent, congestive heart failure (CHF), predictors of OM in Group A were not determinants of OM in Group B. Thus the adverse impact of multiple patient-related and disease-related determinants of PMI and OM has been neutralized over this decade by the real improvements in patient management. The specific factors and management concepts responsible for these superior results in sicker patients remain uncharacterized; however, in general terms, more sophisticated medical, anesthetic, and nursing management and more refined surgical expertise have essentially nullified the concept of high-risk candidates. Furthermore, the more propitious early results being attained currently may translate directly into parallel long-term improvements in functional benefit and survival.
Coronary Artery Bypass↗
[Occurrence of myocardial damage after A-C bypass operation. With special reference to the prediction of the occurrence of myocardial damage with the multivariate discriminant analysis].
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Analysis of Variance↗
[Evaluation of laboratory data using discrimination analysis in patients with chronic liver diseases].
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Chronic Disease↗
[Glaucoma and ocular hypertension: discriminant analysis of a group of diagnostic signs].
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Adult↗
[Differential diagnosis of appendicitis and nonspecific mesenteric lymphadenitis in children: contribution of discriminant analysis].
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Appendicitis↗
[Automatic assistance in the diagnosis of chronic nonspecific lung diseases and bronchial asthma. II. Process of automatic differentiation of diseases with classical methods of discriminative analysis using variables of a quantitative character].
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Analysis of Variance↗
Use of discriminant analysis in the calculation of a prognostic index for the primary prevention of cardiovascular diseases.
Methods of multidimensional mathematical statistics were used for the combination of a set of simultaneous characteristics (risk factors) related to the development of ischemic heart disease into a single representative value as an index of the individual state. Successive values of this index give the time dependent changes of the individual state of health. Considering that these changes in time can be modelled linearly a classification criterion can be obtained taking also into account the evolution of the individual state of health.
Coronary Disease↗