Search Results - "Visick, George"

Patterns of comorbidities in newly diagnosed COPD and asthma in primary care by Soriano, Joan B, Visick, George T, Muellerova, Hana, Payvandi, Nassrin, Hansell, Anna L

“…There is increasing interest in the frequency and nature of comorbidities in patients with obstructive lung disease: COPD and asthma. We aimed to quantify…”
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Obtaining optimal control in mild asthma: theory and practice by Watson, Louise, Kerstjens, Huib AM, Rabe, Klaus F, Kiri, Victor, Visick, George T, Postma, Dirkje S

“…Background. Studies have shown that asthma severity is easily under-estimated and as a result, patients may be under-treated with reduced asthma control…”
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The proportional Venn diagram of obstructive lung disease: two approximations from the United States and the United Kingdom by Soriano, Joan B, Davis, Kourtney J, Coleman, Bobbie, Visick, George, Mannino, David, Pride, Neil B

“…The nonproportional Venn diagram of obstructive lung disease (OLD) produced for the 1995 American Thoracic Society guidelines has not been quantified. We aim…”
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Recent trends in lung cancer and its association with COPD: an analysis using the UK GP Research Database by Kiri, Victor A, Soriano, Joan, Visick, George, Fabbri, Leonardo

“…The association between lung cancer and COPD has not been investigated in the primary care setting. We determined the recent trends of lung cancer in COPD…”
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A quantitative version of the observation that the Hadamard product is a principal submatrix of the Kronecker product by Visick, George

“…The Hadamard and Kronecker products of two n×m matrices A,B are related by A∘B=P T 1(A⊗B)P 2 , where P 1,P 2 are partial permutation matrices. After…”
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Recent trends in physician diagnosed COPD in women and men in the UK by Soriano, Joan B, Maier, William C, Egger, Peter, Visick, George, Thakrar, Bharat, Sykes, Jennie, Pride, Neil B

“…BACKGROUND Recent trends in physician diagnosed chronic obstructive pulmonary disease (COPD) in the UK were estimated, with a particular focus on women…”
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Association between migraine and asthma: matched case-control study by Davey, Gail, Sedgwick, Philip, Maier, Will, Visick, George, Strachan, David P, Anderson, H Ross

“…Earlier studies have suggested a link between asthma and severe headache, and also between migraine and wheezing illness. Recent analysis have also shown an…”
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Validation of General Practitioner-Diagnosed COPD in the UK General Practice Research Database by Soriano, Joan B., Maier, William C., Visick, George, Pride, Neil B.

“…Background: Information in large, automated databases can be useful to study the natural history of respiratory diseases in the community, but the validity of…”
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A weak majorization involving the matrices A ∘ B and AB by Visick, George

“…Let A and B be n × n positive definite matrices, and let the eigenvalues of A ∘ B and AB be arranged in decreasing order. Then for all r > 0, ∑ i=k n λ i…”
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Majorizations of hadamard products of matrix powers by Visick, George

“…This paper presents a number of intervening terms for the weak majorization Π i=k n λ i(A∘B)⩾ Π i=k n λ i(AB) for k=1,2,…,n , where A, B >0. More specifically,…”
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Irritable bowel syndrome (IBS)-physician diagnosis and health care resource utilisation in the UK by Egger, Peter J., Costa, Samara Mendes Da, Visick, George Tj, Sampson, Tim J., Jones, Roger

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