Table 1.
Pre-COVID-19 period | With-COVID-19 period | P-value | |
---|---|---|---|
December 2019 to March 2020 (N = 44) | April 2020 to July 2020 (N = 49) | ||
Age, year; median (IQR) | 79 (65–86) | 75 (65–86) | 0.20 |
Female, n (%) | 15 (34) | 10 (20) | 0.16 |
Premorbid mRS score, median (IQR) | 0 (0–1) | 0 (0–1) | 0.55 |
Baseline NIHSS score, median (IQR) | 11 (6–20) | 10 (5–19) | 0.56 |
Large artery atherosclerosis, n (%) | 9 (20) | 7 (14) | 0.58 |
Cardioembolism, n (%) | 23 (52) | 26 (53) | 1.00 |
Small vessel disease, (%) | 1 (2) | 0 (0) | 0.47 |
Other cause, n (%) | 9 (20) | 11 (22) | 1.00 |
Undetermined cause, n (%) | 2 (5) | 5 (10) | 0.44 |
IVT only, n (%) | 22 (50) | 30 (61) | 0.30 |
Bridging IVT with MT, n (%) | 12 (27) | 11 (22) | 0.64 |
MT only, n (%) | 10 (23) | 8 (16) | 0.60 |
Stroke onset to hospital arrival time, min, median (IQR) | 71 (52–182) | 109 (49–182) | 0.54 |
Hospital arrival to brain imaging time, min, median (IQR) | 25 (21–33) | 30 (25–38) | 0.03 |
Hospital arrival to thrombolysis time*, min, median (IQR) | 38 (31–52) | 51 (37–64) | 0.03 |
Stroke onset to thrombolysis time*, min, median (IQR) | 117 (89–175) | 150 (106–210) | 0.11 |
Hospital arrival to groin puncture time†, min, median (IQR) | 70 (53–90) | 82 (67–101) | 0.16 |
Stroke onset to groin puncture time†, min, median (IQR) | 186 (109–450) | 210 (153–291) | 0.79 |
mRS score 0–2 at discharge, n (%) | 14 (32) | 22 (45) | 0.21 |
Numbers are n (%) or median (IQR) values as appropriate. Intergroup comparisons were performed using the Wilcoxon rank-sum test.
Only patients who received intravenous thrombolysis are included.
Only patients who received mechanical thrombectomy are included.
IQR, interquartile range; IVT, intravenous thrombolysis; MT, mechanical thrombectomy; NIHSS, National Institutes of Health Stroke Scale; mRS, modified Rankin scale.