Table 1. Multivariate Analysis between Patients with and without Cerebral Microbleeds (CMBs).

From: Cerebral Microbleeds Detected Using 3.0T Magnetic Resonance Imaging in 2,003 Patients with Ischemic or Hemorrhagic Stroke

Total (n = 2003) CMBs + (n = 1025) CMBs − (n = 978) p Value OR
Age (mean ± SD) 71.8 ± 12.4 73.3 ± 11.6 70.3 ± 13.0 < 0.001 1.025
Male sex 1192 (60%) 612 (60%) 580 (59%) 0.022 1.017
Alcohol 564 (28%) 273 (27%) 291 (30%) 0.256 0.874
Smoking 403 (20%) 194 (19%) 209 (21%) 0.687 1.055
Cognitive Impairment 637 (32%) 387 (38%) 250 (26%) < 0.001 1.514
Hypertension 1340 (67%) 813 (79%) 527 (54%) < 0.001 3.145
Diabetes mellitus 531 (27%) 258 (25%) 273 (28%) 0.881 0.983
Hypercholesterolemia 403 (20%) 188 (18%) 215 (22%) 0.455 0.913
Liver dysfunction 287 (14%) 152 (15%) 135 (14%) 0.156 1.222
Antithrombotic medication before stroke 543 (27%) 233 (23%) 180 (18%) 0.646 1.073
Previous history of stroke 539 (27%) 273 (27%) 159 (16%) < 0.001 1.782
Atrial fibrillation 403 (20%) 168 (16%) 235 (24%) 0.001 0.654
Coronary artery disease 135 (7%) 60 (6%) 75 (8%) 0.050 0.673
Length of hospital stay (mean ± SD) 12.6 ± 8.2 12.5 ± 8.3 12.8 ± 8.0 0.063 0.988
Hemorrhagic stroke 452 (23%) 288 (28%) 164 (17%) < 0.001 2.066
Table 2. Multivariate Analysis between Patients with ≥ 5 and < 5 Cerebral Microbleeds (CMBs).

From: Cerebral Microbleeds Detected Using 3.0T Magnetic Resonance Imaging in 2,003 Patients with Ischemic or Hemorrhagic Stroke

CMBs ≥ 5 (n = 558) CMBs < 5 (n = 1445) p Value OR
Age (mean ± SD) 73.7 ± 11.3 71.1 ± 12.8 < 0.001 1.016
Male sex 330 (59%) 862 (60%) 0.130 1.208
Alcohol 148 (27%) 416 (29%) 0.541 0.920
Smoking 102 (18%) 301 (21%) 0.893 1.021
Cognitive Impairment 238 (43%) 399 (28%) < 0.001 1.793
Hypertension 496 (89%) 844 (58%) < 0.001 5.487
Diabetes mellitus 132 (24%) 399 (28%) 0.528 0.921
Hypercholesterolemia 106 (19%) 297 (21%) 0.496 1.100
Liver dysfunction 83 (15%) 204 (14%) 0.314 1.174
Antithrombotic medication before stroke 138 (25%) 275 (19%) 0.622 1.086
Previous history of stroke 175 (31%) 257 (18%) < 0.001 2.166
Atrial fibrillation 72 (13%) 331 (23%) < 0.001 0.567
Coronary artery disease 31 (6%) 104 (7%) 0.088 0.664
Length of hospital stay (mean ± SD) 12.2 ± 13.7 12.8 ± 8.6 0.173 0.982
Hemorrhagic stroke 187 (34%) 265 (18%) < 0.001 2.424
Table 3. Analysis among the Three Different Types of Ischemic Stroke.

From: Cerebral Microbleeds Detected Using 3.0T Magnetic Resonance Imaging in 2,003 Patients with Ischemic or Hemorrhagic Stroke

LAA (n = 546) SVO (n = 490) CE (n = 365) p Value
Age (mean ± SD) 73.8 ± 11.0† 71.7 ± 11.6 76.2 ± 10.6* < 0.001
Male sex 336 (62%) 298 (61%) 220 (60%) 0.918
Alcohol 148 (27%) 146 (32%) 103 (28%) 0.630
Smoking 125 (23%) 113 (23%) 51 (14%)* < 0.001
Cognitive Impairment 191 (35%) 142 (29%) 138 (38%)‡ 0.018
Hypertension 367 (67%) 358 (73%) 185 (51%)* < 0.001
Diabetes mellitus 202 (37%) 164 (33%) 66 (18%)* < 0.001
Hypercholesterolemia 136 (25%) 109 (22%) 52 (14%)* < 0.001
Liver dysfunction 57 (10%) 48 (10%) 62 (17%)* 0.002
Antithrombotic medication before stroke 113 (21%) 90 (18%) 137 (38%)* < 0.001
 Antiplatelet agent 101 (18%) 82 (17%) 71 (19%)
 Anticoagulants 14 (3%) 10 (2%) 74 (20%)
Previous history of ischemic stroke 109 (20%) 93 (19%) 91 (25%) 0.083
Previous history of hemorrhagic stroke 26 (5%) 23 (5%) 6 (2%)‡ 0.033
Atrial fibrillation 31 (6%) 22 (4%) 324 (89%)* < 0.001
Coronary artery disease 47 (9%) 17 (3%)§ 46 (13%) < 0.001
Length of hospital stay (mean ± SD) 12.0 ± 6.7 9.8 ± 4.4§ 13.3 ± 7.5 < 0.001
CMBs presence 268 (49%) 282 (58%) 142 (39%)‡ < 0.001
 Antithrombotic medication 68/268 (25%) 58/282 (21%) 58/142 (41%)
Number of CMBs 3,280 4,602 1,213* < 0.001
Table 4. Factors Associated with the Presence of Lobar or Deep Cerebral Microbleeds (CMBs).

From: Cerebral Microbleeds Detected Using 3.0T Magnetic Resonance Imaging in 2,003 Patients with Ischemic or Hemorrhagic Stroke

Lobar (n = 100) Deep (n = 466) Diffuse (n = 459) p Value
Age (mean ± SD) 75.7 ± 12.0 71.8 ± 12.4* 74.2 ± 10.5 0.001
Male sex 60 (60%) 290 (62%) 262 (57%) 0.297
Alcohol 22 (22%) 144 (31%)† 107 (23%) 0.019
Smoking 16 (16%) 107 (23%)† 71 (15%) 0.011
Cognitive Impairment 41 (41%) 128 (27%)* 218 (47%) < 0.001
Hypertension 65 (65%) 346 (74%) 401 (87%)‡ < 0.001
Diabetes mellitus 28 (28%) 120 (26%) 111 (24%) 0.661
Hypercholesterolemia 12 (12%) 87 (19%) 89 (19%) 0.215
Liver dysfunction 14 (14%) 81 (17%) 57 (12%) 0.105
Antithrombotic medication before stroke 33 (33%) 115 (25%) 144 (31%) 0.147
Previous history of stroke 25 (25%) 117 (25%) 216 (47%)‡ < 0.001
Atrial fibrillation 24 (24%) 75 (16%) 68 (15%) 0.079
Coronary artery disease 8 (8%) 26 (6%) 26 (6%) 0.631
Length of hospital stay (mean ± SD) 13.7 ± 11.1 12.5 ± 9.2 12.1 ± 6.2 0.247
Number of CMBs 860 2,057 12,932‡ < 0.001
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