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Matched pairs

The McNemar test for binary matched-pairs data: mid-p and asymptotic are better than exact conditional

The McNemar test for binary matched-pairs data: mid-p and asymptotic are better than exact conditional

... Table 5 displays the number of matched pairs needed to reach power of 50%, 60%, 70%, 80%, and 90% averaged over the 15 combinations of θ = 1.0, 2.0, 3.0, 5.0, 10.0 and p 1+ = 0.1, 0.35, 0.60. We show ...

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Using Fixed and Relative Optimal Discriminant Thresholds in Randomized Blocks (Matched-Pairs) Designs

Using Fixed and Relative Optimal Discriminant Thresholds in Randomized Blocks (Matched-Pairs) Designs

... Fleiss presents an example of a randomized blocks (matched-pairs) experiment comparing scores on a depression measure for 60 patients formed into 30 pairs matched on gender, age (within one ...

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Exact unconditional
tests for a 2X2 matched-pairs design

Exact unconditional tests for a 2X2 matched-pairs design

... disrete nature of the data, the exat tests do not have sizes exatly equal to the speied .... size tests must be randomized tests, but randomized tests are seldom used in pratie.[r] ...

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Prehospital intubation of the moderately injured patient: a cause of morbidity? A matched pairs analysis of 1,200 patients from the DGU Trauma Registry

Prehospital intubation of the moderately injured patient: a cause of morbidity? A matched pairs analysis of 1,200 patients from the DGU Trauma Registry

... The present study shows that prehospital intubation can be a risk factor in the treatment of a patient after trauma. Of course, it should be remembered that the prehospital decision to intubate must often be made on a ...

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Exploring potential association between flow instability and rupture in patients with matched-pairs of ruptured–unruptured intracranial aneurysms

Exploring potential association between flow instability and rupture in patients with matched-pairs of ruptured–unruptured intracranial aneurysms

... Minor WSS fluctuations are observed at the feature Points 13–15 in the unruptured aneurysm model A1 whereas the time traces of the feature Points 16–18 apparently demonstrate pronounce[r] ...

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Undetected iatrogenic lesions of the anterior femoral shaft during intramedullary nailing: a cadaveric study

Undetected iatrogenic lesions of the anterior femoral shaft during intramedullary nailing: a cadaveric study

... used matched pairs of femurs, the identical implant by a single manufacturer, and a stand- ardized antegrade nailing technique with the exception of the entry point; all cases of anterior splitting occurred ...

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Breastfeeding and the risk of breast cancer in BRCA1 and BRCA2 mutation carriers

Breastfeeding and the risk of breast cancer in BRCA1 and BRCA2 mutation carriers

... The goal of the current study was to evaluate the rela- tionship between breastfeeding and breast cancer risk among women with a BRCA1 or BRCA2 mutation. Because of the strong relationship between parity and ...

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Comparison of Pasteurella spp  Simultaneously Isolated from Nasal and Transtracheal Swabs from Cattle with Clinical Signs  of Bovine Respiratory Disease

Comparison of Pasteurella spp Simultaneously Isolated from Nasal and Transtracheal Swabs from Cattle with Clinical Signs of Bovine Respiratory Disease

... Twenty-four matched pairs of isolates of Pasteurella haemolytica and three matched pairs of isolates of Pasteurella multocida were isolated by using a nasal swab and a transtracheal swab from ...

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Evaluation of Vaginal Infections in Adolescent Women: Can It Be Done Without a Speculum?

Evaluation of Vaginal Infections in Adolescent Women: Can It Be Done Without a Speculum?

... Methods. Matched pairs of vaginal specimens were collected from participants before and during speculum exam for diagnosis of trichomoniasis, bacterial vaginosis, and vulvovaginal ...

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Anemia and blood transfusion in a surgical intensive care unit

Anemia and blood transfusion in a surgical intensive care unit

... non-transfused matched pairs according to a propensity score (n = 1184 pairs), and after adjustment for possible confounders in a multivariable analysis, higher hemoglobin concentrations (RR ...

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SKULL RECOGNITION USING SIFT FEATURES

SKULL RECOGNITION USING SIFT FEATURES

... C based on the number of well matched pairs of SIFT features. First of all, we define the criterion of well matched pair of SIFT features. We build a KD-tree [42] using the descriptors of SIFT ...

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Original Article CD98, a potential diagnostic cancer-related biomarker, and its prognostic impact in colorectal cancer patients

Original Article CD98, a potential diagnostic cancer-related biomarker, and its prognostic impact in colorectal cancer patients

... 100 matched pairs of normal and tumor tissues from patients confirmed diagnoses of CRC demonstrated CD98 expression had clinicopathological significance, and the differential expression in colorectal ...

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HER3 and downstream pathways are involved in colonization of brain metastases from breast cancer

HER3 and downstream pathways are involved in colonization of brain metastases from breast cancer

... Twelve matched pairs of primary breast tumors and cor- responding brain metastases, nine non-breast brain metastases and 26 tumor samples from the six autopsy cases were subjected to primer extension and ...

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Stage-specific concurrent chemoradiotherapy with or without induction chemotherapy for locoregionally advanced nasopharyngeal carcinoma: a retrospective, population-based study

<p>Stage-specific concurrent chemoradiotherapy with or without induction chemotherapy for locoregionally advanced nasopharyngeal carcinoma: a retrospective, population-based study</p>

... We estimated the effect of treatment on survival using the following two approaches: matching and weighting by inverse probability of treatment (IPTW). Propensity scores re fl ect the conditional probability that is ...

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Emergent structures in faculty hiring networks, and the effects of mobility on academic performance

Emergent structures in faculty hiring networks, and the effects of mobility on academic performance

... The matched pairs analysis matches scholars with equal gender, ethnic group, PhD obtained year, and first job (or PhD) institution but different prestige transitions and compares their performance in NRF ...

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Alteration in lipoprotein-associated phospholipase A2 levels during acute coronary syndrome and its relationship to standard biomarkers

Alteration in lipoprotein-associated phospholipase A2 levels during acute coronary syndrome and its relationship to standard biomarkers

... hospitalization (D2). Mass measurements of Lp-PLA2 were performed using a commercially available sandwich enzyme immunoassay that is based on two specific mono- clonal antibodies (PLAC Test, diaDexus, USA). LDL levels ...

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Phenotypic Correlates of HIV-1 Macrophage Tropism

Phenotypic Correlates of HIV-1 Macrophage Tropism

... natural variation observed in viruses between subjects and al- lowed us to evaluate the phenotypic consequences specific to the evolution of macrophage tropism. We first sought to clarify the magnitude of improved entry ...

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Lateralized semantic priming: modulation by levodopa, semantic distance, and participants&rsquo; magical beliefs

Lateralized semantic priming: modulation by levodopa, semantic distance, and participants&rsquo; magical beliefs

... Wilcoxon matched pairs tests; (b) the difference scores on RT and accuracy, respectively, were each subjected to separate 4-way ANOVAs with substance groups (levodopa vs placebo) and MI groups (low vs high) ...

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Book Reviews

Book Reviews

... delinquency to practically certain non-delinquency; fifth, out of the total 782 boys so classified including the 650 already mentioned 325 matched pairs were selected by two psychologist[r] ...

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Online Full Text

Online Full Text

... be found in WordNet. We have to rely on the subject area or the generalized form of the keywords to form the ontology. Also, considering the noun phrase pattern or a tag count of a term is merely a way to resolve a ...

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