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Table 1 Concordance of experts in their assessment scores of letters to patients written by 6 th year students attending family medicine rotation in 2011

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

Evaluation category

Score (mean ± SD)*

Concordance†

Difference‡

Expert 1

Expert 2

Expert 3

W (P)

χ 2(P)

Adequacy and clarity of description of disease/state

1.43 ± 0.57

1.36 ± 0.48

1.75 ± 0.49

0.372 (0.197)

32.525 (<0.001)

Knowledge

1.47 ± 0.55

1.28 ± 0.53

1.74 ± 0.48

0.484 (0.002)

45.529 (<0.001)

Adequacy of recommendations

1.43 ± 0.58

1.50 ± 0.52

1.80 ± 0.40

0.469 (0.004)

34.740 (<0.001)

Courtesy and respect

1.91 ± 0.32

1.62 ± 0.51

1.86 ± 0.42

0.413 (0.047)

31.442 (<0.001)

Language and style

1.78 ± 0.44

1.58 ± 0.53

1.53 ± 0.57

0.357 (0.288)

14.588 (<0.001)

Total score

8.02 ± 1.37

7.34 ± 1.46

8.69 ± 1.66

0.519 (0.001)

64.153 (<0.001)

  1. *The scale ranged from 0 to 2 points (maximum 10 points for the five evaluated categories). SD standard deviation.
  2. Kendall’s W concordance test.
  3. Friedman’s test.