. 2021 Apr 29;23(4):e26558. doi: 10.2196/26558
©Stanley Xu, Sungching Glenn, Lina Sy, Lei Qian, Vennis Hong, Denison S Ryan, Steven Jacobsen. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 29.04.2021.
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Figure 2.
Inpatient visit rate over time. DID: difference in difference.