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Table 3 Comparison of mean scores among the three medical student groups

From: Improving diagnostic accuracy using a clinical diagnostic support system for medical students during history-taking: a randomized clinical trial

Disease differentiation

Compared groups

Mean difference

SE

P value

Lower bound

Upper bound

First position

Control vs CDSS

-2.5

0.9

0.02

-4.7

-0.3

Control vs Google

-2.5

0.9

0.03

-4.7

-0.2

CDSS vs Google

0.05

0.9

1.0

-2.1

2.2

First three positions

Control vs CDSS

-3.9

0.8

 < 0.001

-5.9

-2.0

Control vs Google

-3.8

0.8

 < 0.001

-5.7

-1.9

CDSS vs Google

0.1

0.8

1.0

-1.7

2.0

  1. Statistical method: Tukey’s honestly significant difference test