[Retracted] Nomogram for Predicting Deep Venous Thrombosis in Lower Extremity Fractures
Table 1
Patients characteristics and univariate associations for thrombosis-related risk factors.
Risk factor
Thrombosis group ()
Nonthrombosis group ()
value
Sex [ (%)]
0.0018#
Male
870 (52.22%)
458 (45.98%)
Female
796 (47.78%)
538 (54.02%)
Age [median (IQR)]
73 (25.5)
64 (34)
<0.0001@
BMI [median (IQR)]
23.46 (4.72)
23.88 (4.89)
0.0023@
Fracture site [ (%)]
0.001#
Tibia/fibula
299 (17.95%)
88 (8.84%)
Femur
1199 (71.97%)
835 (83.84%)
Hip
168 (10.08%)
73 (7.33%)
Energy [ (%)]
0.1085#
Low
1209 (72.57%)
751 (75.40%)
High
457 (27.43%)
245 (24.60%)
Open wound [ (%)]
0.0014#
No
1481 (88.90%)
923 (92.67%)
Yes
185 (11.10%)
73 (7.33%)
Traumatic brain injury [ (%)]
0.1611#
No
1553 (93.22%)
942 (94.58%)
Yes
113 (6.78%)
54 (5.42%)
Cardiovascular history [ (%)]
<0.0001#
No
1102 (66.15%)
579 (58.13%)
Yes
564 (33.85%)
417 (41.87%)
History of type II diabetes [ (%)]
0.0151#
No
1447 (86.85%)
831 (83.43%)
Yes
219 (13.15%)
165 (16.57%)
Smoking history [ (%)]
0.5171#
No
1482 (88.96%)
894 (89.76%)
Yes
184 (11.04%)
102 (10.24%)
Blood lipid [median (IQR)]
TG
1.04 (0.72)
1.04 (0.67)
0.3573@
HDL
1.17 (0.5)
1.20 (0.44)
0.0971@
LDL
2.24 (0.95)
2.27 (0.92)
0.1570@
D-dimer [median (IQR)]
2.2 (3.82)
1.99 (3.14)
0.1570@
Clotting function [median (IQR)]
TT
15.3 (2.8)
15.1 (2.4)
0.0209@
PT
12.4 (2.00)
12.1 (1.7)
<0.0001@
APTT
29.4 (6.3)
30.8 (7.9)
<0.0001@
FIB
3.6 (1.6)
3.6 (1.3)
0.4257@
Duration of surgery [median (IQR)]
2.0 (1.3)
2.0 (1.2)
0.3389@
Fracture fixation type [ (%)]
<0.0001#
Internal fixation
1266 (75.99%)
882 (88.55%)
External fixation
117 (7.02%)
22 (2.21%)
Other types
283 (16.99%)
92 (9.24%)
Blood transfusion during hospitalization [ (%)]
<.0001#
No
879 (52.76%)
348 (34.94%)
Yes
787 (47.24%)
648 (65.06%)
Anticoagulation drugs [ (%)]
<0.0001
No
312 (18.73%)
42 (4.22%)
Yes
1354 (81.27%)
954 (95.78%)
#Comparison among groups using or CMH-; Comparison among groups using Fisher’s exact probability test; @Comparison among groups using the Wilcoxon rank-sum test; IQR: interquartile range.
