Skip to main content
. 2021 Jul 6;11:13908. doi: 10.1038/s41598-021-93372-9

Table 3.

Characteristics of patients with bleeding or thromboembolic event (TE) and patients without.

With bleeding (N = 21) Without bleeding (N = 41) p With TE (N = 4) Without TE (N = 58) p
Apixaban dose (5 mg/2.5 mg) 12/9 20/21 0.73 1/3 31/27 0.56
Age (years) 79 ± 6 77 ± 9 0.64 85 ± 3 77 ± 8 0.03
CHA2DS2VASc score 3.9 ± 1.3 4.1 ± 1.7 0.58 5.3 ± 0.5 3.9 ± 1.5 0.07
HAS-BLED score 1.3 ± 0.6 1.0 ± 0.5 0.03 1.8 ± 0.5 1.0 ± 0.5 0.03
LC–MS/MS trough (ng/mL) 96 (78–160) 101 (83–135) 0.98 91 (81–103) 103 (82–140) 0.44
CV trough (%) 18 ± 12 22 ± 16 0.37 22 ± 10 20 ± 15 0.56
LC–MS/MS peak (ng/mL) 221 (163–309) 211 (169–255) 0.54 153 (149–169) 219 (167–283) 0.05
CV peak (%) 19 ± 13 21 ± 10 0.43 25 ± 8 20 ± 11 0.23
Berichrom Heparin anti-Xa trough (ng/mL) 89 (76–152) 97 (78–119) 1.00 90 (78–99) 96 (77–133) 0.50
Berichrom Heparin anti-Xa peak (ng/mL) 184 (158–247) 180 (155–209) 0.43 152 (129–170) 184 (158–220) 0.09
STA–Liquid anti-Xa trough (ng/mL) 77 (63–121) 80 (67–98) 0.97 74 (63–81) 80 (64–111) 0.74
STA–Liquid anti-Xa peak (ng/mL) 192 (136–238) 180 (155–209) 0.19 131 (116–140) 170 (135–209) 0.09

Results are shown as number of cases, average ± SD or median with first to third quartile.

CV oefficient of variation.