Case Control Study
Copyright ©The Author(s) 2022.
World J Clin Cases. Mar 26, 2022; 10(9): 2700-2709
Published online Mar 26, 2022. doi: 10.12998/wjcc.v10.i9.2700
Table 1 Characteristic of patients, presented as mean ± SD

DVT (n = 58)
DVT + PE (n = 53)
Control (n = 61)
P value1
Mean age (yr)61.6 (14.9)56.8 (18.3)61.7 (8.34)0.57
Male (%)44.058.345.00.76
Hypertension (%)20.08.3330.00.78
Diabetes (%)8.00020.00.62
CAD (%)6.008.3315.00.85
Smoking (%)28.016.730.00.81
WBC (109/L)8.16 (4.30)9.95 (3.63)5.49 (1.80)0.002
Neutrophil, %72.0 (12.7)77.3 (8.14)59.9 (8.32)0.002
Platelet (109/L)213.6 (62.8)203.2 (82.3)193.8 (46.4)0.57
hs-CRP (mg/L)8.19 (3.30)9.21 (2.62)1.63 (1.50)< 0.001
hs-TNT (ng/mL)0.08 (0.19)0.02 (0.02)0.01 (0.001)0.63
FDP (mg/L)25.4 (39.8)33.5 (32.5)1.62 (2.57)0.009
FIB (g/L)3.60 (1.38)4.08 (1.30)2.64 (0.39)0.002
NT-proBNP203.8 (229.3)1038 (1653)205.6 (555.0)0.015
D-Dimer (mg/L)8.64 (14.0)12.2 (11.5)0.72 (1.08)0.001
Table 2 Comparisons of factor XII antigen and factor XI antigen between patients with deep venous thrombosis, deep venous thrombosis and pulmonary embolism, and control groups

DVT (n = 58)
DVT + PE (n = 53)
Control (n = 61)
P value (DVT vs control)
P value (DVT vs DVT + PE)
FXII:Ag (%)58.6 (25.2)56.1 (27.9)59.2 (22.5)0.9680.603
FXI:Ag (%)99.1 (33.3)103.2 (33.7)93.0 (24.2)0.4840.043
Table 3 Association between factor XII antigen and factor XI antigen and potential of deep venous thrombosis: Comparisons between deep venous thrombosis patients and controls

Cut-off1
Control
DVT
χ2
OR
95%CI
P value
FXII:Ag≤ 63.33142350.9421.4530.683-3.0920.332
> 63.3311923
FXI:Ag≤ 100.90546381.4011.6140.729-3.5760.236
> 100.9051520
Table 4 Association between factor XII antigen and factor XI antigen and the stability of deep venous thrombosis: Comparisons between patients with deep venous thrombosis and deep venous thrombosis and pulmonary embolism

Cut-off1
DVT
DVT + PE
χ2
OR
95%CI
P value
FXII:Ag≤ 68.48539370.1970.8320.369-1.8760.407
> 68.4851915
FXI:Ag≤ 130.11751375.5353.1511.178-8.4270.019
> 130.117716
Table 5 Age stratified association between factor XII antigen and factor XI antigen and the stability of deep venous thrombosis: Comparisons between patients with deep venous thrombosis and deep venous thrombosis and pulmonary embolism

Cut-off1
DVT
DVT + PE
χ2
OR
95%CI
P value
FXII:Ag
≤ 60 yr≤ 68.48526250.4060.720.262-1.9800.524
> 68.485139
> 60 yr≤ 68.48513120.0131.0830.273-4.2930.593
> 68.48566
FXI:Ag
≤ 60 yr≤ 130.11735235.4324.1851.188-14.7460.020
> 130.117411
> 60 yr≤ 130.1171614-1.9050.384-9.4440.3462
> 130.11735