Table 1 Descriptive statistics of LHS (n = 2953) compared to RHS (n = 2637) patients
LHS N = 2953 | RHS n = 2637 | P value | |
|---|---|---|---|
Age—median (IQR) | 76 (65–82) | 76 (66–83) | 0.911 |
Sex (female)—n (%) | 1528/2950 (51.8) | 1376/2637 (52.2) | 0.397 |
Living status before admission n = 5232 | 0.689 | ||
Home | 2435/2766 (88.0) | 2169/2466 (88.0) | |
Nursing at home | 128/2766 (4.6) | 105/2466 (4.3) | |
Nursing home | 203/2766 (7.3) | 192/2466 (7.8) | |
Pre-existing comorbidities | |||
Atrial fibrillation n = 5280 | 1213/2789 (43.5) | 1064/2491 (42.7) | 0.294 |
Arterial hypertension n = 5284 | 2136/2788 (76.6) | 1961/2496 (78.6) | 0.048 |
Dyslipidemia n = 5273 | 1104/2784 (39.7) | 982/2489 (39.5) | 0.452 |
Diabetes Mellitus n = 5283 | 603/2788 (21.6) | 561/2495 (22.5) | 0.237 |
Pre-stroke mRS > 1—n (%) | 560/2739(20.4) | 525/2436 (21.6) | 0.173 |
NIHSS on admission—median (IQR) | 16 (10–20) n = 2792 | 13 (9–17) n = 2481 | < 0.001 |
Mothership—n (%) | 1685/2953 (57.1) | 1473/2637 (55.9) | 0.190 |
ASPECTS—median (IQR) | 9 (7–10) n = 2626 | 8 (7–10) n = 2354 | < 0.001 |
IVT—n (%) | 1480/2938 (50.4) | 1373/2618 (52.4) | 0.065 |
Anesthesia | 0.002 | ||
beginning with local anesthesia change to general anesthesia | 106/2847 (3.7) | 84/2528 (3.3) | |
conscious sedation | 746/2847 (26.2) | 774/2528 (30.6) | |
general anesthesia | 1995/2847 (70.1) | 1670/2528 (66.1) | |
mRS 24 h—median (IQR) | 5 (3–5) n = 2553 | 4 (3–5) n = 2276 | 0.006 |
NIHSS 24 h—median (IQR) | 12 (5–20) n = 2530 | 10 (4–17) n = 2219 | < 0.001 |
mRS discharge median (IQR) | 4 (2–5) n = 2763 | 4 (2–5) n = 2445 | 0.018 |
NIHSS discharge—median (IQR) | 6 (2–15) n = 2389 | 5 (2–12) n = 2136 | 0.002 |
Stroke etiology—n (%) | 0.156 | ||
Artherosclerosis | 626/2953 (21.2) | 611/2637 (23.2) | |
Cardioembolic stroke | 1523/2953 (51.6) | 1284/2637 (48.7) | |
Stroke of undetermined etiology | 461/2953 (15.6) | 435/2637 (16.5) | |
Stroke of other determined etiology | 120/2953 (4.1) | 95/2637 (3.6) | |
Dissection | 44/2953 (1.5) | 46/2637 (1.7) | |
Length of stay days—median (IQR) | 9 (5–14) n = 2798 | 9 (5–13) n = 2485 | 0.281 |
Workflow times | |||
Symptom onset to groin puncture (min)—median (IQR) | 189.5 (135–265) n = 1634 | 200 (145–275) n = 1512 | 0.004 |
Symptom onset to recanalization (min)——median (IQR) | 236 (179–318) n = 1455 | 248 (190–328.25) n = 1354 | 0.012 |
Outcome parameters | |||
mTICI 2b/3—n (%) | 2464/2921 (84.4) | 2221/2610 (85.1) | 0.234 |
Any ICH 24 h– n (%) | 327/2953 (11.1) | 348/2637 (13.2) | 0.008 |
mRS 0–2 at 90 days—n (%) | 885/2406 (36.8) | 828/2191 (37.8) | 0.250 |
mRS 5–6 at 90 days—n (%) | 916/2406 (38.1) | 801/2191 (36.6) | 0.152 |
mRS 6 at 90 days—n (%) | 726/2406 (30.2) | 590/2191 (26.9) | 0.008 |
mRS at 90 days—median (IQR) | 4 (1–6) n = 2406 | 4 (1–6) | 0.139 |
EQ-5D-I—mean (± SD) | 0.566 (± 0.467) | 0.556 (± 0.462) | 0.308 |