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Department of Orthopaedics
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Department of Radiology
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Department of Surgery
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Publication History View all

  • European Journal of Surgical Oncology 05/2014; 40(5):607–608.
  • [Show abstract] [Hide abstract]
    ABSTRACT: Patients and carers increasingly access the Internet as a source of health information. Poor health literacy is extremely common and frequently limits patient's comprehension of health care information literature. We aimed to assess the readability of online consumer-orientated stroke information using 2 validated readability measures. The 100 highest Google ranked consumer-oriented stroke Web pages were assessed for reading difficulty using the Flesch-Kincaid and Simple Measure of Gobbledygook (SMOG) formulae. None of the included Web pages complied with the current readability guidelines when readability was measured using the gold standard SMOG formula. Mean Flesch-Kincaid grade level was 10.4 (95% confidence interval [CI] 9.97-10.9) and mean SMOG grade 12.1 (95% CI 11.7-12.4). Over half of the Web pages were produced at graduate reading levels or above. Not-for-profit Web pages were significantly easier to read (P = .0006). The Flesch-Kincaid formula significantly underestimated reading difficulty, with a mean underestimation of 1.65 grades (95% CI 1.49-1.81), P < .0001. Most consumer-orientated stroke information Web sites require major text revision to comply with readability guidelines and to be comprehensible to the average patient. The Flesch-Kincaid formula significantly underestimates reading difficulty, and SMOG should be used as the measure of choice.
    Journal of stroke and cerebrovascular diseases: the official journal of National Stroke Association 01/2014;
  • [Show abstract] [Hide abstract]
    ABSTRACT: We have assessed the effect of elevated concentrations of homogentisic acid (HGA) as in alkaptonuria (AKU), on a range of routine chemistry tests in serum and urine. HGA was added to pooled serum and a range of assays analysed with Roche Modular chemistries. Effects on urine were assessed by; diluting normal urine with urine from a patient with AKU, adding HGA to urine and after lowering output of urinary HGA following treatment with nitisinone. serum enzymatic creatinine showed 30 % negative interference with 100μmol/L HGA and>50% at 400μmol/L. Serum urate 100 to 480μmol/L was reduced up to 20% at 100 and to 50% with 400μmol/L HGA. Serum cholesterol between 3 to 11mmol/L was reduced by 0.5mmol/L with 400μmol/L HGA. Urine enzymatic creatinine and urate with >2mmol/L HGA showed concentration dependent negative interference up to 80%. A positive interference in urine total protein by benzethonium turbidometric assay was observed, with 10mmol/L HGA equivalent to 1g/L protein. Jaffe creatinine, Na, K, Cl, Mg, Ca, phosphate, ALT, GGT, ALP activities and urea in serum and or urine were not affected by increases in HGA. to avoid interferences by HGA in alkaptonuria concentration of HGA should be established before samples are assayed with peroxidase assays and benzethonium urine protein.
    Clinical biochemistry 12/2013; 47(7-8).


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    Liverpool, United Kingdom
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