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. 2023 Apr 5;6(4):e235882. doi: 10.1001/jamanetworkopen.2023.5882

Table 1. Baseline Characteristics of Patients With First-Ever ICH Stratified by Hematoma Locationa.

Characteristic Crude data Weighted data
Lobar ICH (n = 1034) Nonlobar ICH (n = 1255) Mean standardized difference Lobar ICH (n = 1034) Nonlobar ICH (n = 1255) Mean standardized difference
Age at baseline, mean (SD), y 75.2 (10.7) 73.5 (11.4) 0.1466 74.3 (11.1) 74.3 (11.1) 0.0001
Sex
Male 495 (47.9) 680 (54.2) −0.1265 529.1 (51.2) 643.1 (51.2) −0.0014
Female 539 (52.1) 575 (45.8) 0.1265 504.9 (48.8) 611.9 (48.8) 0.0014
Medical history
Previous ischemic stroke 130 (12.6) 191 (15.2) −0.0766 146.9 (14.2) 177.2 (14.1) 0.0025
Myocardial infarction 56 (5.4) 58 (4.6) 0.0364 50.8 (4.9) 61.9 (4.9) −0.0013
Peripheral artery disease 58 (5.6) 78 (6.2) −0.0257 61.8 (6.0) 74.8 (6.0) 0.0006
Hypertension 701 (67.8) 920 (73.3) −0.1211 735.2 (71.1) 890.3 (70.9) 0.0036
Diabetes 131 (12.7) 174 (13.9) −0.0512 138.3 (13.4) 168.0 (13.4) −0.0003
Atrial fibrillation 216 (20.9) 273 (21.8) −0.0509 225.7 (21.8) 270.3 (21.5) 0.0070
COPD 283 (27.4) 373 (29.7) −0.0324 296.2 (28.6) 358.4 (28.6) 0.0018
Diagnoses indicative of high alcohol use 87 (8.4) 124 (9.9) −0.0647 95.0 (9.2) 115.8 (9.2) −0.0014
Medication before ICHb
Platelet antiaggregant 381 (36.8) 382 (30.4) 0.1360 342.1 (33.1) 415.8 (33.1) −0.0011
Anticoagulant 172 (16.6) 247 (19.7) −0.0791 191.9 (18.6) 230.8 (18.4) 0.0044
Statin 310 (30.0) 370 (29.5) 0.0109 305.9 (29.6) 371.4 (29.6) −0.0003
Antihypertensives 482 (46.6) 591 (47.1) −0.0095 485.8 (47.0) 588.5 (46.9) 0.0018

Abbreviations: COPD, chronic obstructive pulmonary disease; ICH, intracerebral hemorrhage.

a

Data are presented as number (percentage) of patients unless otherwise indicated.

b

According to data from the Danish National Prescription Registry and corresponding to current use defined as dispensed quantity of drug that lasted until date at onset of index ICH (or ended no later than 30 days before this date).