Table 2.

Mean differences and confidence intervals for assessment scores

	Mean difference	95 % CI
Clinical competencies
Control—cases group	0.48	−0.10 to 1.10
Control—game group	0.25	−0.30 to 0.80
Cases—game group	−0.23	−0.74 to 0.29
Communication competencies
Control—cases group	0.38	−0.04 to 0.80
Control—game group	0.29	−0.11 to 0.69
Cases—game group	−0.10	−0.47 to 0.28
Global performance
Control—cases group	0.71	−0.13 to 1.55
Control—game group	0.46	−0.35 to 1.26
Cases—game group	−0.26	−1.01 to 0.49