Table 1 Patient baseline and follow up characteristics in each group.
Characteristic | Total number n = 857 | Fluid level n = 18 | Non fluid level n = 839 | p value |
|---|---|---|---|---|
Age (years) (median, IQR) | 75.5 (65.8–82.4) | 79.5 (70.5–83.0) | 75.5 (65.6–82.3) | 0.2588 |
Male n, (%)* | 496 (57.9%) | 14 (77.8%) | 482 (57.4%) | 0.0957 |
White background n, (%) | 743 (86.7%) | 15 (88.2%) | 728 (86.8%) | 0.5657 |
Anticoagulants n, (%) | 360 (42.0%) | 15 (83.3%) | 345 (41.1%) | 0.0004 |
Comorbidities | ||||
Atrial fibrillation n, (%) | 303 (35.4%) | 14 (77.8%) | 289 (34.4%) | 0.0008 |
Hypertension n, (%) | 566 (66.0%) | 12 (66.7%) | 554 (66.0%) | 1.0000 |
History of previous stroke | ||||
IS n, (%) | 118 (13.8%) | 4 (25.0%) | 114 (13.6%) | 0.2647 |
ICH n, (%) | 35 (4.1%) | 2 (12.5%) | 33 (3.9%) | 0.1430 |
TIA n, (%) | 98 (11.4%) | 1 (6.7%) | 97 (11.6%) | 1.000 |
Medication on admission | ||||
Aspirin n, (%) | 189 (22.1%) | 1 (5.9%) | 188 (22.4%) | 0.1403 |
Warfarin n, (%) | 323 (37.7%) | 14 (77.8%) | 309 (36.8%) | 0.0008 |
Clinical measurements | ||||
SBP (median, IQR) | 166 (147–190) | 160 (140–172) | 167 (147–190) | 0.1475 |
DBP (median, IQR) | 90 (79–105) | 83 (78.5–91.5) | 90 (79–105) | 0.2745 |
GCS (median, IQR) | 15 (14–15) | 15 (14–15) | 15 (14–15) | 0.8221 |
Blood results on admission | ||||
INR (median, IQR) | 1.11 (1.00–2.40) | 3.05 (2.23–3.90) | 1.10 (1.00–2.30) | 0.0001 |
Management received | ||||
Surgery n, (%) | 29 (3.4%) | 2 (11.1%) | 27 (3.2%) | 0.1242 |
AC reversal n, (%) | 269 (31.4%) | 13 (72.2%) | 256 (31.1%) | 0.0005 |
Haematoma location** | 0.0524 | |||
Lobar n, (%) | 296 (34.5%) | 10 (55.6%) | 286 (34.1%) | |
Deep n, (%) | 459 (53.6%) | 5 (27.8%) | 454 (54.1%) | |
Infratentorial n, (%) | 79 (9.2%) | 3 (16.7%) | 76 (9.1%) | |
Haematoma volume (median, IQR) | 7.1 (2.4–17.5) | 14.1 (5.5–23.7) | 7.0 (2.3–17.2) | 0.0451 |
Intraventricular extension n, (%) | 249 (29.1%) | 2 (11.1%) | 247 (29.4%) | 0.1345 |
Deceased n, (%) | 127 (14.8%) | 3 (20.0%) | 124 (14.8%) | 0.7312 |