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. 2022 Apr 28;17(4):e0267856. doi: 10.1371/journal.pone.0267856

Table 2. Demographics of study population by subtype of spontaneous hemorrhagic stroke.

Hemorrhagic stroke
Subarachnoid hemorrhage Intracerebral hemorrhage Mixed
N (%) N (%) N (%)
Total 411 2,044 147
Time to neurosurgery
 Ultra-early (0–2 hours) 45 (10.9) 460 (22.5) 20 (13.6)
 Early (2–4 hours) 155 (37.7) 879 (43.0) 59 (40.1)
 Late (4–12 hours) 211 (51.3) 705 (34.5) 68 (46.3)
Age, year, median (IQR) 60 (51–73) 61 (52–73) 60 (49–72)
 0–49 86 (20.9) 437 (21.4) 39 (26.5)
 50–59 105 (25.5) 512 (25.0) 32 (21.8)
 60–69 87 (21.2) 450 (22.0) 31 (21.1)
 70–79 92 (22.4) 415 (20.3) 31 (21.1)
 80–120 41 (10.0) 230 (11.3) 14 (9.5)
Sex, male 141 (34.3) 1,134 (55.5) 66 (44.9)
EMS use 247 (60.1) 1,317 (64.4) 106 (72.1)
Transferred from other hospital 144 (35.0) 606 (29.6) 39 (26.5)
Level 1 ED 222 (54.0) 892 (43.6) 71 (48.3)
Time of ED visit
 MN–8AM 92 (22.4) 366 (17.9) 24 (16.3)
 8AM–4PM 171 (41.6) 908 (44.4) 59 (40.1)
 4PM–MN 148 (36.0) 770 (37.7) 64 (43.5)
Mental status at triage
 Alert 107 (26.0) 503 (24.6) 17 (11.6)
 Verbal response 67 (16.3) 419 (20.5) 14 (9.5)
 Pain response 153 (37.2) 879 (43.0) 82 (55.8)
 Unresponsive 84 (20.4) 243 (11.9) 34 (23.1)
Combined IVH 0 (0.0) 610 (29.8) 91 (61.9)
Type of neurosurgery
 Burr-hole, in ED 26 (6.3) 190 (9.3) 10 (6.8)
 Burr-hole, in operation room 240 (58.4) 941 (46.0) 69 (46.9)
 Other neurosurgery 145 (35.3) 913 (44.7) 68 (46.3)
ED disposition
 ICU admission 67 (16.3) 417 (20.4) 16 (10.9)
 Operation room 335 (81.5) 1,583 (77.4) 130 (88.4)
Reoperation 73 (17.8) 237 (11.6) 22 (15.0)
In-hospital mortality 128 (31.1) 457 (22.4) 54 (36.7)

IQR, interquartile range; ED, emergency department; IVH, intraventricular hemorrhage; EMS, emergency medical services; ICU, intensive care unit.