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. 2021 Oct 7;7(4):e27441. doi: 10.2196/27441

Table 2.

Median (IQR) student usage of Osmosis during the 8-week Cardiovascular Systems course.

Usage metric All (N=359) MD 2022a (n=154) MD/MPH 2022a (n=50) MD 2023a (n=155)
Total for course




Video viewsb 75 (56-103) 61 (50-73) 57 (42-69) 105 (89-136)

MCQsc completed 593 (349-779) 595 (349-737) 552 (349-820) 593 (356-815)

FCsd completedb 637 (10-900) 872 (787-1036) 854 (716-945) 2 (0-32)
Average per week




Video viewsb 9 (7-13) 8 (6-9) 7 (5-9) 13 (11-17)

MCQs completed 74 (44-97) 74 (44-92) 69 (44-103) 74 (45-102)

FCs completedb 80 (1-113) 109 (98-130) 107 (90-118) 0 (0-4)

aMD 2022 and MD/MPH 2022 took the class in the spring of 2019 and MD 2023 took the class in the spring of 2020.

bP<.001 based on the Kruskal-Wallis test for differences across the 3 classes.

cMCQ: multiple choice question.

dFC: flashcard.