Medical students who decompress during the M-1 year outperform those who fail and repeat it: A study of M-1 students at the University of Illinois College of Medicine at Urbana-Champaign 1988–2000

Table 4 Comparison of USMLE Step 1 Performance Between the Decompressed and Repeating Groups

Oneway Analysis of Step One By Program t-Test
	Difference	t-Test	DF	Prob>/t/
Estimate	-0.52616	-2.685	57	0.0095
Std Error	0.19594
Lower 95%	-0.91852
Upper 95%	-0.13381
Means and Standard Deviations Level	Number	Mean	Std Dev	Std Err Mean	Lower 95%	Upper 95%
Decompress	43	1.34884	0.612711	0.09344	1.1603	1.5374
Repeat	16	1.875	0.806226	0.20156	1.4454	2.3046

Table Four shows there was a significant difference between decompressed group and repeating group on the number of attempts at USMLE Step 1. (Note of the 63 students in the decompressed group, 43 students took USMLE Step 1, but 6 did not graduate. Of the 44 students in the repeating group, 16 took USMLE Step 1, of those 4 did not graduate.

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