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. 2023 Jul 10;23:418. doi: 10.1186/s12877-023-04049-z

Table 1.

Distribution of patients’ characteristics and prognosis analysis for the establishment of predictive models

Risk factor Total Patients, n(%) (n = 798) None Hemorrhage, n(%)(n = 686) Hemorrhage, n(%)(n = 112) P Valuea P Valueb OR (95% CI)
Gender, n(%)
 Female 58(7.3) 52(7.6) 6(5.4) Ref
 Male 740(92.7) 634(92.4) 106(94.6) 0.555 0.403 1.45(0.61–3.46)
Age, n(%)
  < 80 116(14.5) 111(16.2) 5(4.5) Ref
  ≥ 80 682(85.5) 575(83.8) 107(95.5) 0.000 0.002 4.13(1.65–10.36)
BMI, n(%)
  < 18.5 193(29.4) 161(28.2) 32(37.2) 0.064 Ref
 18.5–23.9 275(41.9) 237(41.6) 38(44.2) 0.410 0.81(0.48–1.35)
  > 23.9 188(28.6) 172(30.2) 16(18.6) 0.059 0.020 0.47(0.25–0.89)
Rivaroxaban dose, n(%)
  < 10 mg 265(33.2) 233(34.0) 32(28.6) 0.115 Ref
 10 mg 477(59.8) 401(58.5) 76(67.9) 0.155 1.38(0.89–2.15)
  > 10 mg 56(7.0) 52(7.6) 4(3.6) 0.107 0.294 0.56(0.19–1.65)
Antiplatelet drugs, n(%)
 no 387(48.5) 346(50.4) 41(36.6) Ref
 yes 411(51.5) 340(49.6) 71(63.4) 0.008 0.007 1.76(1.17–2.66)
Hypertension, n(%)
 no 163(20.4) 141(20.6) 22(19.6) Ref
 yes 635(79.6) 545(79.4) 90(80.4) 0.900 0.825 1.06(0.64–1.75)
Diabetes, n(%)
 no 452(56.6) 389(56.7) 63(56.2) Ref
 yes 346(43.4) 297(43.3) 49(43.8) 1.000 0.928 1.02(0.68–1.52)
High triglyceride, n(%)
 no 215(26.9) 188(27.4) 27(24.1) Ref
 yes 583(73.1) 498(72.6) 85(75.9) 0.493 0.466 1.19(0.75–1.89)
High cholesterol, n(%)
 no 481(60.3) 420(61.2) 61(54.5) Ref
 yes 317(39.7) 266(38.8) 51(45.5) 0.178 0.176 1.32(0.88–1.97)
LDL-cholesterol abnormal, n(%)
 no 321(40.2) 281(41.0) 40(35.7) Ref
 yes 477(59.8) 405(59.0) 72(64.3) 0.301 0.294 1.25(0.82–1.89)
Lowest_hemoglobin
  < 120 703(88.1) 593(86.4) 110(98.2) Ref
  ≥ 120 95(11.9) 93(13.6) 2(1.8) 0.000 0.003 0.12(0.03–0.48)
Lowest_blood_platelet
  < 100 21(2.6) 18(2.6) 3(2.7) Ref
  ≥ 100 777(97.4) 668(97.4) 109(97.3) 0.973 0.973 0.98(0.28–3.38)
Coronary disease, n(%)
 no 186(23.3) 170(24.8) 16(14.3) Ref
 yes 612(76.7) 516(75.2) 96(85.7) 0.016 0.016 1.98(1.13–3.45)
Heart failure, n(%)
 no 713(89.3) 617(89.9) 96(85.7) Ref
 yes 85(10.7) 69(10.1) 16(14.3) 0.187 0.181 1.49(0.83–2.68)
valvulopathy, n(%)
 no 750(94.0) 646(94.2) 104(92.9) Ref
 yes 48(6.0) 40(5.8) 8(7.1) 0.526 0.589 1.24(0.57–2.73)
PCI, n(%)
 no 734(92.0) 632(92.1) 102(91.1) Ref
 yes 64(8.0) 54(7.9) 10(8.9) 0.707 0.703 1.15(0.57–2.33)
apoplexy, n(%)
 no 464(58.1) 413(60.2) 51(45.5) Ref
 yes 334(41.9) 273(39.8) 61(54.5) 0.004 0.004 1.81(1.21–2.71)
Hemorrhage history, n(%)
 no 702(88.0) 614(89.5) 88(78.6) Ref
 yes 96(12.0) 72(10.5) 24(21.4) 0.002 0.001 2.33(1.39–3.89)
Coagulopathy, n(%)
 no 753(94.4) 653(95.2) 100(89.3) Ref
 yes 45(5.6) 33(4.8) 12(10.7) 0.024 0.015 2.38 (1.19–4.75)
TT, n(%)
  < 15 49(6.2) 42(6.1) 7(6.2) 0.377 Ref
 15–21 711(89.4) 608(89.0) 103(92.0) 0.969 1.02(0.45–2.32)
  > 21 35(4.4) 33(4.8) 2(1.8) 0.346 0.226 0.36(0.07–1.87)
APTT, n(%)
  < 30 22(2.8) 20(2.9) 2(1.8) 0.265 Ref
 30–45 662(83.2) 573(83.8) 89(79.5) 0.557 1.55(0.36–6.76)
  > 45 112(14.1) 91(13.3) 21(18.8) 0.260 0.284 2.31(0.50–10.65)
INR, n(%)
 0.8–1.2 689(86.4) 594(86.7) 95(84.8) Ref
  > 1.2 108(13.6) 91(13.3) 17(15.2) 0.554 0.588 1.17(0.67–2.05)
Ddimer, n(%)
  ≤ 0.5 202(25.5) 180(26.4) 22(20.0) Ref
  > 0.5 591(74.5) 503(73.6) 88(80.0) 0.194 0.157 1.43(0.87–2.35)
ALT
  ≤ 40 732(91.7) 627(91.4) 105(93.8) Ref
  > 40 66(8.3) 59(8.6) 7(6.2) 0.465 0.404 0.71(0.31–1.59)
AST
  ≤ 40 751(94.1) 645(94.0) 106(94.6) Ref
  > 40 47(5.9) 41(6.0) 6(5.4) 1.000 0.796 0.89(0.37–2.15)
BUN
  ≤ 7.5 485(60.8) 424(61.8) 61(54.5) Ref
  > 7.5 313(39.2) 262(38.2) 51(45.5) 0.145 0.141 1.35(0.91–2.02)
Creatinine
  ≤ 110 644(80.7) 556(81.0) 88(78.6) Ref
  > 110 154(19.3) 130(19.0) 24(21.4) 0.521 0.538 1.17(0.72–1.90)

“Ref” is the abbreviation for reference. In individual risk factor, the latter supgroup compares with the “Ref” supgroup yields ORs and their 95% CIs

aP value was calculated by Fisher's exact test or Pearson Chi-Square

bP value was calculated by Logistic Regression