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Table 2 Precision of search results

From: Utilization of the PICO framework to improve searching PubMed for clinical questions

  PICO A 95% CI PICO B 95% CI PubMed 95% CI
Q1 35% 16.40% – 53.60% 28% 15.84% – 40.16% 20% 10.70% -29.30%
Q2 5% 1.42% – 8.58% 6% 2.42% – 9.58%- 4% 1.50% – 6.50%
Q3 1% -0.43% – 2.43% 1% -0.14% – 2.14% 0% 0.00%
  1. Q1: Does BMI affect mortality in obese patients undergoing a CABG?
  2. Q2: Is survival prolonged if I place a PEG or feeding tube in my patient with dementia?
  3. Q3: Is an ACE inhibitor alone better than a diuretic alone for reducing hypertension in African American patients?