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8,739 Possible Causes for Heterogeneity

  • Common Cold

    The very high heterogeneity means that the averaged estimates must be viewed with caution.[] Heterogeneity was evaluated using the I 2 statistic. When substantial heterogeneity was found ( I 2 40%), subgroup analyses were performed.[] In addition, we aimed to identify potential sources of heterogeneity in results obtained and to assess their clinical significance.[]

  • Russell-Silver Syndrome

    It is suggested that the Russell-Silver syndrome is heterogeneous and that the criteria for its diagnosis need re-evaluation.[] The case is another illustration of the genetic heterogeneity of Russell-Silver phenotype.[] Clinical presentation is heterogeneous in RSS patients with 11p15 ICR1 hypomethylation.[]

  • Generalized Epilepsy with Febrile Seizures Plus

    These results indicate further clinical and genetic heterogeneity in GEFS( ).[] Abstract Generalized epilepsy with febrile seizures plus (GEFS ) is a recently recognized but relatively common form of inherited childhood-onset epilepsy with heterogeneous[] Abstract Generalized epilepsy with febrile seizures plus (GEFS( )) is an important childhood genetic epilepsy syndrome with heterogeneous phenotypes, including febrile seizures[]

  • Urinary Tract Infection

    No significant difference was demonstrated for the outcome of major urological complications (RR 0.72, 95% CI 0.50-1.05), without heterogeneity.[] Subgroup analysis and investigation of heterogeneity Issues of heterogeneity were initially explored by between‐study comparisons.[] Also, our survey showed high heterogeneity in catheter-use practices among French SCs, but offered no data to help determine the best urinary catheterization technique.[]

  • Asthma

    Background: Asthma and COPD are heterogeneous diseases. Patients with both disease features (asthma-COPD overlap [ACO]) are common.[] Both the Q and I2 statistics indicated a moderate amount of heterogeneity.[] Study quality was assessed and results were pooled using fixed effect models or random effect models when moderate between-study heterogeneity was observed.[]

  • Chronic Obstructive Pulmonary Disease

    Again, results were heterogenous (I2 59%).[] Bronchoscopic thermal vapour ablation therapy in the management of heterogeneous emphysema.[] We observed significant heterogeneity.[]

  • Polycystic Ovary Syndrome

    Significant phenotypic and genetic heterogeneity was observed both within and between families.[] Because of the heterogeneity among studies, some summarized results should be interpreted with caution.[] Significant between-study heterogeneity was detected for several variables assessed.[]

  • Kohlschütter-Tönz Syndrome

    The other families, mostly presenting with additional atypical features, were negative for ROGDI mutations, suggesting genetic heterogeneity of atypical forms of the disease[] Brief Report Kohlschütter–Tönz Syndrome: Mutations in ROGDI and Evidence of Genetic Heterogeneity Department of Molecular Neuroscience, Reta Lila Weston Research Laboratories[] Houlden, H ; view all (2013) Kohlschütter-Tönz Syndrome: Mutations in ROGDI and Evidence of Genetic Heterogeneity.[]

  • Osteoarthritis

    The combined ES in glucosamine hydrochloride (GH) trials was -0.03 (95% CI -0.14, 0.08), with an absence of heterogeneity.[] Due to the heterogeneity of the studies, we were unable to perform a best evidence synthesis. However we have provided summaries for each section.[] Heterogeneity was tested with Cochran's Q test.[]

  • Pneumonia

    There was significant heterogeneity of both sensitivity and specificity according to the Q test, without clear evidence of threshold effect.[] DIAGNOSES: The patient had been diagnosed as heterogeneous bullous emphysema pathologically about 3 years ago.[] heterogeneity. 20 In light of the heterogeneity of study designs and population characteristics, we calculated the summary effect by means of the DerSimonian–Laird method[]

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