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Table 2 Primary and secondary outcomes of the study

From: Oral presentation assessment and image reading behaviour on brain computed tomography reading in novice clinical learners: an eye-tracking study

    

Pre-test

 

Post-test

 

p value

Primary outcome

      
 

Overall OP ratings of case 1

 

0 (0,1)

 

1 (1,2)

 

< 0.001*

 

Overall OP ratings of case 2

 

0 (0,1)

 

1 (1,1)

 

< 0.001*

Secondary outcomes

      
 

Lesion identification

      
 

Case 1

      
  

Accuracy of lesion reporting (%)

 

0 (0%)

 

1 (1.3%)

 

1.00

  

Dwell time (milliseconds)§

 

506.50 ± 509.06

 

374.38 ± 464.68

 

0.02*

  

Fixation count§

 

1.98 ± 1.76

 

1.59 ± 1.91

 

0.14

 

Case 2

      
  

Accuracy of occipital lesion reporting (%)

 

11 (13.8%)

 

13 (16.3%)

 

0.82

  

Accuracy of frontal lesion reporting (%)

 

7 (8.8%)

 

11 (13.8%)

 

0.34

  

Dwell time (milliseconds)#§

 

2405.20 ± 1448.11

 

2518.90 ± 1102.71

 

0.56

  

Fixation count#§

 

8.84 ± 5.18

 

9.09 ± 3.48

 

0.72

 

Competency in systematic image reading

Case 1

      
  

Scores of systematic OP ratings

 

0 (0,1)

 

1 (1,2)

 

< 0.001*

  

Transition entropy§

 

3.42 ± 0.62

 

3.67 ± 0.37

 

0.001*

 

Case 2

      
  

Scores of systematic OP ratings

 

0 (0,1)

 

1 (1,2)

 

< 0.001*

  

Transition entropy§

 

3.42 ± 0.76

 

3.75 ± 0.37

 

0.002*

 

Scores of self-efficacies

 

35.5 (29,41)

 

38.5 (32,43)

 

0.08

  1. #summation of both frontal and occipital lesions; §Examined by eye-tracking study;
  2. OP; oral presentation; *p < 0.05