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. 2023 Jul 24;6(7):e2325283. doi: 10.1001/jamanetworkopen.2023.25283

Table 3. Efficacy and Safety Outcomes in Weighted Cohorts.

Outcomes Patients, No. Events, No. Person-years Events per 100 person-years Hazard ratio (95% CI) P value
VTE recurrence
LMWH 4607 398 1002.13 39.76 1.47 (1.14-1.90) .003
Warfarin 4556 456 1526.48 29.89 1.46 (1.13-1.87) .003
DOAC 4762 332 1609.44 20.62 1 [Reference] NA
All-cause mortality
LMWH 4607 225 1060.8 21.18 1.61 (1.15-2.25) .005
Warfarin 4556 221 1627.76 13.59 1.19 (0.85-1.68) .31
DOAC 4762 193 1696.33 11.36 1 [Reference] NA
Hospitalization for major bleeding
LMWH 4607 277 1035.84 26.73 2.27 (1.62-3.20) <.001
Warfarin 4556 179 1609.61 11.1 1.12 (0.78-1.61) .53
DOAC 4762 166 1681.52 9.88 1 [Reference] NA
GI bleeding
LMWH 4607 152 1041.21 14.64 1.72 (1.12-2.62) .01
Warfarin 4556 119 1615.82 7.38 1.03 (0.67-1.59) .89
DOAC 4762 121 1685.12 7.17 1 [Reference] NA
Intracranial bleeding
LMWH 4607 62 1058.49 5.88 2.72 (1.24-5.97) .01
Warfarin 4556 31 1625.72 1.93 1.04 (0.45-2.45) .92
DOAC 4762 31 1694.92 1.84 1 [Reference] NA

Abbreviations: DOAC, direct oral anticoagulants; GI, gastrointestinal; LMWH: low-molecular-weight heparin; NA, not applicable; VTE, venous thromboembolism.