TABLE 3.
Summary of the procedures performed and outcomes
| Variables | Non‐COVID‐19 | COVID‐19 | Total | p |
| (N = 395) | (N = 302) | (N = 697) | ||
| Mean (SD) door to groin time, min | 71.6 (80.0) | 87.5 (63.5) | 76.7 (75.4) | 0.043* |
| Mean (SD) LKN to groin time, min | 474.4 (365.1) | 357.4 (513.3) | 442.8 (413.1) | 0.009* |
| tPA given, n (%) | 132 (33.4) | 71 (23.5) | 203 (29.1) | <0.001* |
| Mean (SD) number of passes during thrombectomy | 1.9 (1.2) | 1.8 (1.5) | 1.8 (1.3) | 0.520 |
| First pass effect, n (%) | 194 (49.1) | 161 (53.3) | 279 (40.0) | 0.395 |
| Stenting, n (%) | 34 (8.6) | 22 (7.3) | 56 (8.0) | 0.584 |
| Mean (SD) procedure duration, min | 51.9 (31.9) | 62.2 (47.3) | 56.4 (39.6) | 0.002* |
| Favorable revascularization (mTICI 2b‐3) | 337 (85.3) | 154 (50.9) | 491 (86.3) | <0.001* |
| Favorable revascularization (mTICI 3) | 263 (66.6) | 77 (25.5) | 340 (48.8) | <0.001* |
| Complications during or after the procedure, n (%) | ||||
| None | 352 (90.0) | 168 (73.4) | 521 (83.9) | <0.001* |
| Asymptomatic | 39 (10.0) | 16 (6.9) | 55 (8.9) | |
| Symptomatic | 0 (0.0) | 45 (19.7) | 45 (7.2) | |
| sICH, n (%) | 22 (5.6) | 20 (6.6) | 42 (6.0) | 0.683 |
| Mean (SD) NIHSS score 24 h post thrombectomy | 12.2 (8.2) | 11.9 (10.8) | 12.1 (9.1) | 0.807 |
| mRS score at discharge, n (%) | ||||
| 0–2 | 131 (33.2) | 149 (49.3) | 280 (40.2) | <0.001* |
| 3–6 | 38 (9.6) | 112 (37.1) | 150 (21.5) | |
| NA | 226 (57.2) | 41 (13.6) | 267 (38.3) | |
| mRS score at 3 months follow‐up, n (%) | ||||
| 0–2 | 233 (59.0) | 32 (10.6) | 265 (38.0) | <0.001* |
| 3–6 | 73 (18.5) | 18 (6.0) | 91 (13.1) | |
| NA | 89 (22.5) | 252 (83.4) | 341 (48.9) | |
| Mean (SD) length of hospital stay, days | 8.4 (8.5) | 15.5 (17.6) | 15.5 (17.5) | <0.001* |
| Discharge, n (%) | ||||
| Home | 81 (20.5) | 41 (13.6) | 122 (17.5) | <0.001* |
| Rehabilitation | 173 (43.8) | 56 (18.5) | 229 (32.9) | |
| Hospice | 23 (5.8) | 5 (1.7) | 28 (4.0) | |
| Nursing facility | 57 (14.4) | 17 (5.6) | 74 (10.6) | |
| Not reported/deceased | 61 (15.4) | 183 (60.6) | 244 (35.0) | |
| In‐hospital mortality | 74 (19.1) | 111 (42.0) | 185 (28.4) | <0.001* |
Note: Missing data count per variable: door to groin, n = 271; LKN to groin, n = 264; tPA given, n = 80; number of passes, n = 112; first pass effect, n = 144; stenting, n = 65; procedure duration, n = 102; favorable revascularization, n = 127; complications, n = 75, sICH, n = 373; 24 h NIHSS, n = 161; mRS at discharge, n = 267; mRS at 3 months; n = 341; length of hospital stay, n = 92; discharge, n = 191.
Abbreviations: LKN, last known normal; mRS, modified Rankin Scale; mTICI, modified Treatment in Cerebral Infarction; NA, not available; NIHSS, National Institutes of Health Stroke Scale; SD, standard deviation; sICH, symptomatic intracerebral hemorrhage; tPA, tissue plasminogen activator.
Statistically significant.