Case presentation methods: a randomized controlled trial of the one-minute preceptor versus SNAPPS in a controlled setting

Expressing clinical reasoning

Number of justifications for the most likely diagnosis

 3.9 (1.5)

 4.4 (1.6)

 0.25

 3.9 (1.0)

 4.0 (1.4)

 0.25

Number of differential diagnoses presented

 2.0 (0.9)

 1.5 (1.3)

 0.11

 2.9 (1.3)

 2.5 (1.2)

 0.31

Number of justification for differentials

 3.4 (1.5)

 2.9 (1.5)

 0.24

 3.8 (1.5)

 3.7 (1.9)

 0.80

Number of questions and uncertainties presented

 1.6 (0.8)

 0.5 (0.8)

<0.001

 1.7 (0.9)

 0.9 (1.0)

<0.001

Number of management plans presented

 3.3 (1.0)

 3.1 (0.9)

 0.43

 4.0 (1.3)

 3.5 (1.3)

 0.18

Time

Total meeting length (minutes)

 7.6 (2.4)

 7.4 (2.5)

 0.59

 9.1 (2.1)

 8.8 (2.1)

 0.73

Summary of the case length (minutes)

 1.9 (0.7)

 2.1 (0.7)

 0.23

 2.2 (0.8)

 2.3 (0.7)

 0.51

Student’s speech length during the discussion, after the summary of the case (minutes)

 3.6 (1.5)

 2.8 (1.4)

 0.04

 4.2 (1.4)

 3.3 (1.2)

 0.010

Taking initiative to

Present the most likely diagnosis N (%)

30 (100%)

 7 (23.3%)

<0.001

30 (100%)

 7 (23.3%)

<0.001

Justify the most likely diagnosis N (%)

29 (96.7%)

20 (66.7%)

<0.001

29 (96.7%)

27 (90%)

 0.61

Present the differential diagnosis N (%)

30 (100%)

 5 (16.7%)

<0.001

29 (96.7%)

17 (56.7%)

<0.001

Justify the differential diagnosis N (%)

29/30 (96.7%)

21/23 (91.3%)^a

 0.57

30/30 (100%)

25/28 (89.3%)^a

 0.11^a

Initiate patient management plans N (%)

30 (100%)

 9 (30%)

<0.001

29 (96.7%)

12 (40%)

<0.001

Setting the

Correct diagnosis N (%)

29 (96.7%)

28 (93.3%)

 1.00

27 (90%)

23 (76.7%)

 0.17

Right management plan promptly N (%)

28 (93.3%)

21 (70%)

 0.02

29 (96.7%)

20 (66.7%)

<0.001