Comparison of the demographic and clinical characteristics of the study cohort stratified by time periods
| 2020 Pre-COVID 1/2 | 2019 Pre-COVID 1/2 | P Value | 2020 COVID 3/4 | 2019 Pre-COVID 3/4 | P Value | 2020 COVID 3/4 | 2020 Pre-COVID 1/2 | P Value | |
|---|---|---|---|---|---|---|---|---|---|
| No. | 234 | 180 | 123 | 213 | 123 | 234 | |||
| Mean age (range) (yr) | 66.1 (18–98) | 65.7 (22–98) | .81 | 66.4 (25–97) | 63.8 (20–101) | .18 | 66.4 | 66.1 | .87 |
| Sex (No.) (%) | |||||||||
| Male | 102 (44) | 73 (41) | .54 | 67 (54) | 95 (45) | .08 | 67 (54) | 102 (44) | .05 |
| Female | 132 (56) | 107 (59) | 56 (46) | 118 (55) | 56 (46) | 132 (56) | |||
| Location (No.) (%) | |||||||||
| ED | 192 (82) | 157 (87) | .15 | 89 (72) | 182 (85) | .003 | 89 (72) | 192 (82) | .03 |
| Inpatient | 42 (18) | 23 (13) | 34 (28) | 31 (15) | 34 (28) | 42 (18) | |||
| Mean NIHSS | 4.7 | 4.4 | .65 | 7.3 | 5.2 | .045 | 7.3 | 4.8 | .01 |
| Positive imaging findings (No.) (%) | 42 (18) | 32 (18) | .96 | 42 (34) | 37 (17) | <.001 | 42 (34) | 42 (18) | <.001 |
Note:—ED indicates emergency department; NA, not available.