Overall pass rates were similar to previous cohorts examined with traditional assessment formats. Across 389 item,the proportion of items with ≥5% of candidates marking two or more functioning distracters was ≥47.5%.Removal of items with high p-values(≥85%), this item distracter proportion became >75%.With each successive year in the curriculum the proportion of k2 items used rose steadily to almost to almost 50%.31/389(7%) items had IWFs.65% items had a discriminatory power, ≥0.15.