Table 3.
Prepandemic | 1st Wave | 2nd Wave | 3rd Wave | Total Wave a | Inter-Wave | Total | |||
---|---|---|---|---|---|---|---|---|---|
AIS | 2018 | ED visit, n | 815 | 2408 | 1700 | 1853 | 5961 | 3581 | 10,357 |
tPA, n (%) | 73 | 205 | 158 | 159 | 522 | 320 | 915 | ||
Rate, % | 8.96 | 8.51 | 9.29 | 8.58 | 8.76 | 8.94 | 8.83 | ||
2019 | ED visit, n | 918 | 2765 | 1970 | 2063 | 6798 | 4076 | 11,792 | |
tPA, n | 88 | 278 | 192 | 199 | 669 | 394 | 1151 | ||
Rate, % | 9.59 | 10.05 | 9.75 | 9.65 | 9.84 | 9.67 | 9.76 | ||
2020 | ED visit | 1030 | 2547 | 1867 | 1984 | 6398 | 4040 | 11,468 | |
tPA | 117 | 250 | 189 | 166 | 605 | 359 | 1081 | ||
Rate, % | 11.36 | 9.82 | 10.12 | 8.37 | 9.46 | 8.89 | 9.43 | ||
Change | ED visit, % | 18.87 | −1.53 | 1.74 | 1.33 | 0.29 | 5.52 | 3.55 | |
tPA, % | 45.34 | 3.52 | 8.00 | −7.26 | 1.60 | 0.56 | 4.65 | ||
Rate, % | 2.07 | 0.48 | 0.59 | −0.78 | 0.12 | −0.44 | 0.10 | ||
p-Value | 0.12 | 0.54 | 0.53 | 0.37 | 0.80 | 0.48 | 0.79 | ||
AMI | 2018 | ED visit | 436 | 1339 | 832 | 932 | 3103 | 1812 | 5351 |
VI | 365 | 1150 | 718 | 790 | 2658 | 1566 | 4589 | ||
Rate, % | 83.72 | 85.88 | 86.30 | 84.76 | 85.66 | 86.42 | 85.76 | ||
2019 | ED visit | 453 | 1276 | 940 | 1009 | 3225 | 1916 | 5594 | |
VI | 391 | 1098 | 803 | 865 | 2766 | 1665 | 4822 | ||
Rate, % | 86.31 | 86.05 | 85.43 | 85.73 | 85.77 | 86.90 | 86.20 | ||
2020 | ED visit | 492 | 1287 | 878 | 902 | 3067 | 1897 | 5456 | |
VI | 418 | 1136 | 772 | 769 | 2677 | 1622 | 4717 | ||
Rate, % | 84.96 | 88.27 | 87.93 | 85.25 | 87.28 | 85.50 | 86.46 | ||
Change | ED visit, % | 10.69 | −1.57 | −0.90 | −7.06 | −3.07 | 1.77 | −0.30 | |
VI, % | 10.58 | 1.07 | 1.51 | −7.07 | −1.29 | 0.40 | 0.24 | ||
Rate, % | −0.08 | 2.30 | 2.09 | −0.01 | 1.57 | −1.17 | 0.47 | ||
p-Value | 0.99 | 0.60 | 0.69 | 1.00 | 0.57 | 0.74 | 0.82 |
Numbers of patients who were administered tPA among those diagnosed with acute ischemic stroke and numbers of patients who underwent vascular intervention among those diagnosed with acute myocardial infarction in the ED from 2018 to 2020. a Total wave: February, March, April, August, September, November, and December. ED = emergency department, AIS = acute ischemic stroke, AMI = acute myocardial infarction, tPA = tissue plasminogen activator, VI = vascular intervention.