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. 2022 Jan 24;14:86–89. doi: 10.1016/j.artd.2022.01.027

Table 3.

Case volume UCSF vs ZSFGH.

Case volume UCSF cohort ZSFGH cohort P value
 Pre-COVID 184 47
 COVID 85 16
 Difference (N) −99 −31
 Difference (%) −53.8% −66.0% .417

Bold values indicate statistical significance.