Table 1.

Baseline patient characteristics stratified by bleeding requiring hospitalization events over 12 months after initiation of anticoagulant therapy (n = 11 151)

VariableBleed (n = 869)No bleed (n = 10 282)
Age, median (IQR), y 68 (62-74) 68 (62-73) 
Alcohol abuse, n (%) 78 (9.0) 684 (6.7) 
Anemia, n (%)  517 (59.9) 5 047 (40.1) 
Anticoagulant type, n (%)   
DOAC 196 (22.6) 2 762 (26.9) 
LMWH 448 (51.6) 5 138 (49.9) 
Warfarin 225 (25.9) 2 382 (23.2) 
Antiplatelet therapy, n (%)   
Aspirin 150 (17.3) 1 523 (14.8) 
P2Y12 inhibitor  65 (7.5) 550 (5.4) 
Dual antiplatelet  25 (2.9) 194 (1.9) 
Bleeding history, n (%) 179 (20.6) 975 (9.5) 
Body mass index, n (%)   
<18.5 kg/m2 410 (4.0) 27 (3.1) 
18.5 to <25 kg/m2 (reference) 3 265 (31.8) 277 (31.9) 
≥25 to <30 kg/m2 3 367 (32.7) 289 (33.2) 
≥30 kg/m2 3 205 (31.2) 276 (31.8) 
Unknown 35 (0.3) 0 (0) 
Cancer type, n (%)   
Brain/CNS 18 (2.1) 118 (1.2) 
Breast/gynecologic 10 (1.2) 200 (1.9) 
Cancer unknown primary 14 (1.6) 278 (2.7) 
GI   
Upper 56 (6.4) 471 (4.6) 
Resected (upper) 4 (7.1) 66 (14.0) 
Unresected (upper) 52 (92.9) 405 (86.0) 
Lower 109 (12.5) 936 (9.1) 
Resected 33 (30.3) 430 (45.9) 
Unresected 76 (69.7) 506 (54.1) 
GU (kidney and bladder) 130 (15.0) 914 (8.9) 
Head and neck 33 (3.8) 552 (5.4) 
Hepatobiliary 41 (4.7) 410 (4.0) 
Hematologic malignancy, all 123 (14.2) 1 702 (16.6) 
Leukemia/hematologic NOS (hematologic) 7 (5.7) 110 (5.5) 
Lymphoma (hematologic) 61 (49.6) 915 (53.8) 
Myelodysplastic syndrome (hematologic) 12 (9.8) 91 (5.3) 
MPN/CML (hematologic) 9 (7.3) 142 (8.3) 
Plasma cell neoplasm (hematologic) 34 (27.6) 444 (26.1) 
Lung 157 (18.1) 2 431 (23.6) 
Melanoma 11 (1.3) 164 (1.6) 
Neuroendocrine/endocrine tumors 7 (0.8) 84 (0.8) 
Pancreatic cancer 46 (5.3) 571 (5.6) 
Prostate 102 (11.7) 1 140 (11.1) 
Other cancers 12 (1.4) 311 (3.0) 
Chemotherapy, n (%) 567 (65.3) 6 073 (59.1) 
Selected chemotherapy, n (%)   
BTK inhibitor 5 (0.6) 73 (0.7) 
Hydroxyurea 8 (0.9) 63 (0.6) 
VEGFi 41 (4.7) 329 (3.2) 
VEGF TKI 39 (4.5) 286 (2.8) 
Renal function (eGFR), n (%)21    
<30 mL/min 344 (39.6) 3 515 (34.2) 
30-60 mL/min 201 (23.1) 2 374 (23.1) 
≥60 mL/min 324 (37.3) 4 395 (42.7) 
Fall history/predisposition, n (%) 292 (33.6) 3 204 (31.2) 
Liver injury or disease 67 (7.7) 558 (5.4) 
Metastatic disease 415 (47.8) 4 331 (42.1) 
Race, n (%)   
Black 213 (24.5) 2 228 (21.7) 
Other 18 (2.1) 220 (2.1) 
White 638 (76.2) 7 834 (73.4) 
Ischemic stroke history, n (%) 66 (7.6) 586 (5.7) 
Thrombocytopenia,§ n (%) 49 (5.6) 483 (4.7) 
Uncontrolled hypertension,|| n (%) 448 (51.6) 4 424 (40.0) 
VariableBleed (n = 869)No bleed (n = 10 282)
Age, median (IQR), y 68 (62-74) 68 (62-73) 
Alcohol abuse, n (%) 78 (9.0) 684 (6.7) 
Anemia, n (%)  517 (59.9) 5 047 (40.1) 
Anticoagulant type, n (%)   
DOAC 196 (22.6) 2 762 (26.9) 
LMWH 448 (51.6) 5 138 (49.9) 
Warfarin 225 (25.9) 2 382 (23.2) 
Antiplatelet therapy, n (%)   
Aspirin 150 (17.3) 1 523 (14.8) 
P2Y12 inhibitor  65 (7.5) 550 (5.4) 
Dual antiplatelet  25 (2.9) 194 (1.9) 
Bleeding history, n (%) 179 (20.6) 975 (9.5) 
Body mass index, n (%)   
<18.5 kg/m2 410 (4.0) 27 (3.1) 
18.5 to <25 kg/m2 (reference) 3 265 (31.8) 277 (31.9) 
≥25 to <30 kg/m2 3 367 (32.7) 289 (33.2) 
≥30 kg/m2 3 205 (31.2) 276 (31.8) 
Unknown 35 (0.3) 0 (0) 
Cancer type, n (%)   
Brain/CNS 18 (2.1) 118 (1.2) 
Breast/gynecologic 10 (1.2) 200 (1.9) 
Cancer unknown primary 14 (1.6) 278 (2.7) 
GI   
Upper 56 (6.4) 471 (4.6) 
Resected (upper) 4 (7.1) 66 (14.0) 
Unresected (upper) 52 (92.9) 405 (86.0) 
Lower 109 (12.5) 936 (9.1) 
Resected 33 (30.3) 430 (45.9) 
Unresected 76 (69.7) 506 (54.1) 
GU (kidney and bladder) 130 (15.0) 914 (8.9) 
Head and neck 33 (3.8) 552 (5.4) 
Hepatobiliary 41 (4.7) 410 (4.0) 
Hematologic malignancy, all 123 (14.2) 1 702 (16.6) 
Leukemia/hematologic NOS (hematologic) 7 (5.7) 110 (5.5) 
Lymphoma (hematologic) 61 (49.6) 915 (53.8) 
Myelodysplastic syndrome (hematologic) 12 (9.8) 91 (5.3) 
MPN/CML (hematologic) 9 (7.3) 142 (8.3) 
Plasma cell neoplasm (hematologic) 34 (27.6) 444 (26.1) 
Lung 157 (18.1) 2 431 (23.6) 
Melanoma 11 (1.3) 164 (1.6) 
Neuroendocrine/endocrine tumors 7 (0.8) 84 (0.8) 
Pancreatic cancer 46 (5.3) 571 (5.6) 
Prostate 102 (11.7) 1 140 (11.1) 
Other cancers 12 (1.4) 311 (3.0) 
Chemotherapy, n (%) 567 (65.3) 6 073 (59.1) 
Selected chemotherapy, n (%)   
BTK inhibitor 5 (0.6) 73 (0.7) 
Hydroxyurea 8 (0.9) 63 (0.6) 
VEGFi 41 (4.7) 329 (3.2) 
VEGF TKI 39 (4.5) 286 (2.8) 
Renal function (eGFR), n (%)21    
<30 mL/min 344 (39.6) 3 515 (34.2) 
30-60 mL/min 201 (23.1) 2 374 (23.1) 
≥60 mL/min 324 (37.3) 4 395 (42.7) 
Fall history/predisposition, n (%) 292 (33.6) 3 204 (31.2) 
Liver injury or disease 67 (7.7) 558 (5.4) 
Metastatic disease 415 (47.8) 4 331 (42.1) 
Race, n (%)   
Black 213 (24.5) 2 228 (21.7) 
Other 18 (2.1) 220 (2.1) 
White 638 (76.2) 7 834 (73.4) 
Ischemic stroke history, n (%) 66 (7.6) 586 (5.7) 
Thrombocytopenia,§ n (%) 49 (5.6) 483 (4.7) 
Uncontrolled hypertension,|| n (%) 448 (51.6) 4 424 (40.0) 

Other cancers include bone/connective tissues (n = 140), thyroid (n = 61), testicular (n = 42), thymus/heart/mediastinum (n = 24), penis (n = 23), retroperitoneal/peritoneum (n = 19), Kaposi (n = 8), and ocular (n = 6).

BTK, Bruton tyrosine kinase; CML, chronic myelogenous leukemia; eGFR, estimated glomerular filtration rate; MPN, myeloproliferative neoplasm; NOS, not otherwise specified; TKI, tyrosine kinase inhibitor; VEGFi, vascular endothelial growth factor inhibitor.

Defined as hemoglobin <10 g/dL or hematocrit <30%.

Includes use of clopidogrel, prasugrel, or ticagrelor.

Defined as aspirin plus either clopidogrel, prasugrel, or ticagrelor.

§

Defined as platelets <50 ×103/μL.

||

Defined as systolic blood pressure >160 mm Hg or diastolic blood pressure >100 mm Hg.

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