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Table 3 Beliefs in, knowledge of, and skills in EBM

From: Effectiveness of national evidence-based medicine competition in Taiwan

Likert’s 5-point scale (± SD) Before contest After contest pvalue*
Beliefs    
 EBM is important in the strengthening of expertise 4.16 ± 0.72 4.21 ± 0.63 0.335
 EBM is useful in the improvement of patient-care quality 4.12 ± 0.74 4.18 ± 0.64 0.125
 EBM is helpful in the decision-making of clinical practice 3.97 ± 0.74 4.08 ± 0.67 0.017
Knowledge    
 My knowledge of applying EBM principles is sufficient 3.42 ± 0.71 3.77 ± 0.72 <0.001
 Understanding of terminology    
  Relative risk (RR) 3.38 ± 0.79 3.56 ± 0.74 <0.001
  Odds ratio (OR) 3.32 ± 0.79 3.56 ± 0.75 <0.001
  Confidence interval (CI) 3.58 ± 0.73 3.66 ± 0.78 0.093
  Type I error (α error) 2.96 ± 0.94 3.29 ± 0.89 <0.001
  Type II error (β error) 2.94 ± 0.93 3.27 ± 0.89 <0.001
  Systematic review 3.62 ± 0.78 3.72 ± 0.75 0.042
  Meta-analysis 3.57 ± 0.81 3.71 ± 0.75 0.002
  Randomized controlled trial (RCT) 3.73 ± 0.83 3.77 ± 0.74 0.375
  Number needed to treat (NNT) 3.37 ± 1.01 3.68 ± 0.82 <0.001
Skills    
 My skill regarding the literature searching is sufficient 3.70 ± 0.64 3.87 ± 0.68 <0.001
 My skill regarding the critical appraisal is sufficient 3.48 ± 0.71 3.80 ± 0.72 <0.001
 My skills of applying EBM principles are sufficient 3.40 ± 0.74 3.76 ± 0.71 <0.001
  1. * Pair-sample t test.