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Table 2 Comparison of baseline and final outcome assessments

From: Does access to a portable ophthalmoscope improve skill acquisition in direct ophthalmoscopy? A method comparison study in undergraduate medical education

Assessment

Baseline (1)

Mean (CI 95%)

OR *Median (Q1-Q3)

Final (2)

Mean (CI 95%)

OR *Median (Q1-Q3)

Change (2–1)

Mean (CI 95%)

OR *Median (Q1-Q3)

P value

ALL VCDR (error)

0.55 (0.51 to 0.59)

0.45 (0.42 to 0.49)

-0.1 (−0.14 to − 0.05)

< 0.01

 Control

0.56 (0.51 to 0.61)

0.48 (0.43 to 0.53)

−0.08 (− 0.15 to − 0.02)

< 0.01

 Intervention

0.54 (0.48 to 0.56)

0.42 (0.37 to 0.48)

−0.12 (− 0.18 to − 0.05)

< 0.01

ALL F-MCQ (%)

*50 (35.7 to 66.7)

*41.2 (33.3 to 50.0)

*-8.3 (−21.4 to 0)

< 0.01

 Control

*42.9 (37.2 to 62.8)

*35.7 (28.6 to 42.9)

*-7.1 (−21.4 to −1.8)

< 0.01

 Intervention

*58.3 (33.3 to 77.1)

*45.8 (39.6 to 58.3)

*-16.7 (−18.7 to − 10.4)

< 0.01

ALL MSE (%)

*87.5 (75 to 100)

*75.0 (62.5 to 75)

*-12.5 (−25 to 0)

< 0.01

 Control

*87.5 (75 to 100)

*75.0 (50 to 75)

*-12.5 (−25 to 0)

< 0.01

 Intervention

*87.5 (75 to 100)

*75.0 (62.5 to 75)

*-12.5 (−25 to −12.5)

< 0.01

ALL EOU (score)

5.14 (5.03–5.24)

5.27 (5.16–5.38)

0.14 (0.01–0.26)

0.035

 Control

5.15 (5.00–5.29)

5.19 (5.03–5.36)

0.04 (−0.14 to 0.24)

0.624

 Intervention

5.12 (4.98–5.26)

5.36 (5.22–5.55)

0.24 (0.08 to 0.39)

0.03