Preoperative Evaluation of Soleal Vein Diameter by Ultrasound Is Beneficial for Prophylaxis of Deep Vein Thrombosis after Total Knee or Hip Arthroplasty
Table 3
Comparison of the risk factors for TJA patients.
Variables
All patients
DVT group
Non-DVT group
P-value
Symptomatic DVT
Non- symptomatic DVT group
P-value
N= 402
N= 78
N= 324
N=14
N=388
Age (years)
63.55±11.25
68.50±7.97
62.36±11.6
P<0.00
68.14±6.93
63.39±11.34
P=0.02
Gender (female)
324 (80.6%)
67 (85.9%)
225 (77.1%)
P=0.00
11 (78.6%)
281 (72.4%)
P=0.840
BMI (kg/m2)
25.32±4.31
25.99±3.85
25.15±4.40
P=0.121
25.67±4.85
25.31±4.30
P=0.758
Hypertension
181 (45.0%)
41 (52.6%)
140 (43.2%)
P=0.136
6 (42.9%)
175 (45.1%)
P=0.868
Diabetes mellitus
66 (16.4%)
10 (12.8%)
56 (17.3%)
P=0.339
1 (7.1%)
65 (16.8%)
P=0.558
Heart disease
46 (11.4%)
12 (15.4%)
34 (10.5%)
P=0.223
0
46 (11.9%)
P=0.346
Stroke
49 (12.2%)
16 (20.5%)
33 (10.2%)
P=0.01
3 (21.4%)
46 (11.9%)
P=0.509
Malignancy
13 (3.2%)
0
13 (4.0%)
P=0.149
0
13 (3.4%)
P=1.000
Smoking history
36 (9.0%)
6 (7.7%)
30 (9.3%)
P=0.663
1 (7.1%)
35 (9.0%)
P=1.000
Varicose veins
9 (2.2%)
2 (2.6%)
7 (2.2%)
P=1.000
1 (7.1%)
8 (2.1%)
P=0.732
Soleal vein diameter (cm)
0.56±0.24
0.70±0.27
0.53±0.21
P<0.00
0.76±0.36
0.56±0.23
P=0.00
Surgery type (TKA)
230 (57.2%)
64 (82.1%)
166 (51.2%)
P<0.00
13 (5.7%)
217 (55.9%)
P=0.00
Postoperative pharmacological prophylaxis
391 (97.3%)
77 (98.7%)
314 (96.9%)
P=0.624
14 (100%)
377 (97.2%)
P=1.000
Operation time (min)
115±30
112.87±24.51
112.85±30.2
P=0.996
110.79±29.538
112.93±29.02
P=0.786
Transfusion
43 (10.7%)
5 (6.4 %)
38 (11.7%)
P=0.172
2 (14.3%)
41 (10.6%)
P=0.998
First ambulation time (≤2d)
232 (57.7%)
45 (57.7%)
187 (57.7%)
P=0.997
3 (21.4%)
167 (43.0%)
P=0.108
RBCs
4.3±0.4
4.17±0.36
4.35±0.44
P<0.00
4.10±0.26
4.33±0.44
P=0.058
Hb (g/dL)
129±15
124.56±12.24
130.30±14.93
P=0.00
122.21±13.66
129.44±14.60
P=0.069
PLT (103/mL)
206±61
211.60±59.72
206.78±59.82
P=0.523
190.21±40.0
208.35±60.14
P=0.265
D-Dimer (mg/mL)
0.92±1.44
1.30±2.16
0.82±1.19
P=0.062
0.84±0.85
0.91±1.46
P=0.846
PT (S)
11.99±0.98
11.77±0.81
11.93±0.98
P=0.180
27.25±4.80
28.07±5.77
P=0.702
INR
1.04±0.09
1.02±0.07
1.04±0.10
P=0.162
1.04±0.08
1.03±0.09
P=0.748
APTT (S)
28.16±6.06
27.11±3.54
28.27±6.13
P=0.111
27.25±4.80
28.07±5.77
P=0.599
TT (S)
19.56±14.90
20.54±21.29
19.25±11.16
P=0.447
18.49±1.28
19.54±13.64
P=0.774
Fbg (g/L)
2.94±0.80
2.87±0.76
2.99±0.83
P=0.227
2.58±0.50
2.98±0.82
P=0.068
TG (mmol/L)
1.51±0.68
1.52±0.66
1.48±0.73
P=0.649
1.40±1.02
1.49±0.70
P=0.638
DVT, deep vein thrombosis; BMI, body mass index; TKA, total knee arthroplasty; RBCs, red blood cells; Hb, hemoglobin; PT, prothrombin time; INR, International Normalized Ratio; APTT, activated partial thromboplastin time; TT, thrombin time; Fbg, fibrinogen; TG, triglyceride. <0.05 was considered statistically significant.
