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Table 2 Concordance of experts in their assessment scores of letters to patients written by 4 th year students in 2011

From: Writing letters to patients as an educational tool for medical students

Evaluation category

Score (mean ± SD)* (N = 363)

Concordance†

Difference‡

Expert 1

Expert 2

Expert 3

W (P)

χ 2(P)

Adequacy and clarity of description of disease/state

3.87 ± 1.04

2.80 ± 0.71

4.06 ± 0.91

0.490 (<0.001)

19.070 (0.006)

Knowledge

3.87 ± 1.05

2.95 ± 0.76

4.45 ± 0.88

0.547 (<0.001)

25.009 (0.003)

Adequacy of recommendations

3.48 ± 1.18

2.74 ± 0.76

2.75 ± 1.26

0.576 (<0.001)

24.662 (0.017)

Courtesy and respect

4.15 ± 0.95

3.87 ± 0.48

4.75 ± 0.52

0.456 (<0.001)

7.286 (0.023)

Language and style

3.87 ± 1.07

3.69 ± 0.57

4.48 ± 0.68

0.473 (<0.001)

2.823 (0.361)

Total score

19.25 ± 4.85

16.06 ± 2.51

20.50 ± 3.01

0.582(<0.001)

263.064 (0.020)

  1. *The scale ranged from 1 to 5 points (maximum 25 points for the five evaluated categories). SD standard deviation.
  2. Kendall’s W concordance test.
  3. Friedman’s test.