|Mean (95% CI) delta-SPS by demographic characteristics|
|n||Mean delta-SPS||95%CI||p value|
|Number of elective exposures ≤14||44||143.4||122.5-164.3||0.051|
|Number of elective exposures ≥15||87||129.7||110.4-148.9|
|Number of unique electives ≤8||101||134.3||117.7-150.9||1.00|
|Number of unique electives ≥9||30||134.2||102.9-165.4|
P-values calculated using two-tailed t-test. Male:Female ratio for the entire cohort was 1.38. Male:Female ratio for the group with ≤14 elective exposures was 1.32 compared to 1.41 for the group with ≥15 elective exposures (p=ns).
Shanmugam et al.
Shanmugam et al. BMC Medical Education 2012 12:94 doi:10.1186/1472-6920-12-94