Table 1

Results of the post hoc analysis using the Bonferroni test

(I) Year of graduation	Average	CI	(J) Year of graduation	P value
1	21.66	7434	2	1
			3	1
			4	0.915
			5	0.004*
			6	0.987
			7	0.0001*
			8	0.0001*
2	22.9	9223	1	1
			3	1
			4	1
			5	0.033*
			6	1
			7	0.0001*
			8	0.0001*
3	21.71	7822	1	1
			2	1
			4	1
			5	0.005*
			6	1
			7	0.0001*
			8	0.0001*
4	25.13	9385	1	0.915
			2	1
			3	1
			5	1
			6	1
			7	0.002*
			8	0.0001*
5	29.13	7658	1	0.004*
			2	0.033*
			3	0.005*
			4	1
			6	1
			7	1
			8	0.069
6	25.63	9085	1	0.987
			2	1
			3	1
			4	1
			5	1
			7	0.016*
			8	0.0001*
7	33.38	9356	1	0.0001*
			2	0.0001*
			3	0.0001*
			4	0.002*
			5	1
			6	0.016*
			8	1
8	37.06	8728	1	0.0001*
			2	0.0001*
			3	0.0001*
			4	0.0001*
			5	0.069
			6	0.0001*
			7	1

Legend, 1 to 6: students from the first to the sixth years of graduation. 7: First-year internal residents. 8: second-year internal residents. Comparisons marked with * were considered statistically relevant (P<0.05).