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Table 3 DISCERN ratings

From: Web-based online resources about adverse interactions or side effects associated with complementary and alternative medicine: a systematic review, summarization and quality assessment

  DISCERN Question About Herbs American Botanical Council Caremark Drug Inter-actions Drug Infor-mation Drug Product Database Drugs.com Electronic Medicines Compendium Herbs at a Glance Herb-Drug Inter-actions HIV drug Inter-actions Lexi-Natural
Section 1: Is the publication reliable? 1. Are the aims clear? 5 5 5 1 4.5 5 3 5 5 5 5
2. Does it achieve its aims? 5 5 5 1 3 5 3.5 5 5 5 5
3. Is it relevant? 4.5 5 4.5 2.5 3 5 5 4.5 3.5 4 5
4. Is it clear what sources of information were used to compile the publication (other than the author or producer)? 5 5 1 2 3.5 4.5 1.5 4.5 5 2.5 5
5. Is it clear when the information used or reported in the publication was produced? 5 5 2.5 2 5 5 5 5 5 2.5 5
6. Is it balanced and unbiased? 5 5 2.5 3 4.5 5 4 5 5 3.5 5
7. Does it provide details of additional sources of support and information? 4.5 5 1 1 4.5 5 2.5 5 5 2.5 5
8. Does it refer to areas of uncertainty? 5 5 3.5 3.5 5 5 3.5 5 5 5 5
Section 2: How good is the quality of information on treatment choices? 9. Does it describe how each treatment works? 5 5 3 2.5 3 5 5 1.5 2.5 2 4
10. Does it describe the benefits of each treatment? 5 4.5 2 2.5 3 4.5 5 4.5 5 1 5
11. Does it describe the risks of each treatment? 5 4.5 5 2.5 3 5 5 4.5 5 4 5
12. Does it describe what would happen if no treatment is used? 1 1 1 1 1.5 1 1 1 1 1 1
13. Does it describe how the treatment choices affect overall quality of life? 1 2.5 2 3 2.5 3 2.5 1.5 1.5 1 2
14. Is it clear that there may be more than one possible treatment choice? 1.5 3.5 1 1.5 2 4.5 4 4 2.5 3 2.5
15. Does it provide support for shared decision-making? 3.5 2.5 3.5 4 2 4 3 4 2 1 4
Section 3: Overall Rating of the Publication 16. Based on the answers to all of the above questions, rate the overall quality of the publication as a source of information about treatment choices 4 4 2 3 3 4.5 3.5 4 3.5 3 4.5
Total DISCERN score (sum of Q1–15) 61.00 63.50 42.50 33.0 50.00 66.50 53.50 60.00 58.00 43.00 66.50
  DISCERN Question Med-scape Merck Manual Micro-medex National Cancer Institute Natural Medicines PEPID Drug Information Database RxList Rx-Med Mean score SD
Section 1: Is the publication reliable? 1. Are the aims clear? 5 4.5 5 5 5 4.5 4.5 5 4.58 0.99
2. Does it achieve its aims? 5 5 5 5 5 5 5 4.5 4.58 1.03
3. Is it relevant? 4.5 5 5 5 5 4 5 4 4.42 0.75
4. Is it clear what sources of information were used to compile the publication (other than the author or producer)? 1 4 4 5 4 2.5 4 2.5 3.50 1.41
5. Is it clear when the information used or reported in the publication was produced? 1 5 4 5 5 2.5 5 2 4.03 1.41
6. Is it balanced and unbiased? 4.5 5 5 5 5 2.5 5 3 4.34 0.94
7. Does it provide details of additional sources of support and information? 1 5 5 5 5 1.5 5 1.5 3.68 1.71
8. Does it refer to areas of uncertainty? 5 4.5 4.5 5 5 4 5 3.5 4.58 0.63
Section 2: How good is the quality of information on treatment choices? 9. Does it describe how each treatment works? 5 4 5 5 5 5 5 5 4.08 1.24
10. Does it describe the benefits of each treatment? 5 5 4.5 5 5 5 5 5 4.29 1.22
11. Does it describe the risks of each treatment? 5 5 5 5 5 5 5 5 4.66 0.73
12. Does it describe what would happen if no treatment is used? 1 4 2.5 1 1 1 1.5 1 1.29 0.75
13. Does it describe how the treatment choices affect overall quality of life? 1 3.5 5 2 1 1 1 1 2.00 1.09
14. Is it clear that there may be more than one possible treatment choice? 1.5 5 4.5 2.5 5 2 3 3 2.97 1.25
15. Does it provide support for shared decision-making? 1 3 4.5 5 4 4 3 1.5 3.13 1.18
Section 3: Overall Rating of the Publication 16. Based on the answers to all of the above questions, rate the overall quality of the publication as a source of information about treatment choices 3 4.5 5 4.5 4.5 3 3.5 3 3.68 0.79
Total DISCERN score (sum of Q1–15) 46.50 67.50 68.50 65.50 65.00 49.50 62.00 47.50 56.13 10.25
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