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Table 1 Patient demographics associated with DVT on admission

From: Admission prevalence of deep vein thrombosis in elderly Chinese patients with hip fracture and a new predictor based on risk factors for thrombosis screening

Variable Total Patients (n = 248) Patients with DVT (n = 74) Patients without DVT (n = 174) P value*
Demographic Variables
 Gender (Male/female) 94/154 20/54 74/100 0.021
 Age (years) 78.72 ± 8.68 81.74 ± 7.70 77.43 ± 8.77 <0.001
 Body height (m) 1.59 ± 0.07 1.58 ± 0.07 1.60 ± 0.07 0.116
 Body weight (kg) 54.89 ± 9.87 54.83 ± 9.56 54.91 ± 10.03 0.956
 BMI (kg/m2) 21.54 ± 2.98 21.81 ± 2.71 21.42 ± 3.09 0.346
 Time from injury to admission (days) 1.91 ± 1.52 2.50 ± 1.82 1.66 ± 1.30 <0.001
 Injury side (left/right) 146/102 44/30 102/72 0.902
 High energy mechanism 10 4 6 0.716
Medical history
 Smoking history (current or past) 100 34 66 0.239
 History of cerebrovascular disease 14 4 10 0.915
 History of malignancy 6 3 3 0.522
Comorbidities
 Hypertension 104 37 67 0.093
 Chronic obstructive pulmonary disease 69 26 43 0.094
 Diabetes 53 23 30 0.015
 Arrhythmia 31 10 21 0.753
 Coronary heart disease 28 10 18 0.471
 Parkinson’s disease 7 2 5 0.941
 Renal dysfunction 7 3 4 0.460
 Varicose veins 4 2 2 0.395
Laboratory Examinations
 Hemoglobin(g/L) 109.22 ± 11.7 107.25 ± 10.29 110.06 ± 12.18 0.064
 Blood platelet(10^9/L) 173.78 ± 56.78 175.08 ± 55.15 173.23 ± 57.60 0.815
 Serum albumin(g/L) 32.04 ± 3.43 31.44 ± 3.57 32.30 ± 3.34 0.068
 Serum potassium(mmol/L) 4.11 ± 0.51 4.16 ± 0.46 4.09 ± 0.53 0.321
 Serum sodium(mmol/L) 138.56 ± 3.88 138.77 ± 3.91 138.47 ± 3.88 0.576
 Fibrinogen(g/L) 4.33 ± 0.74 4.52 ± 0.71 4.24 ± 0.74 0.007
 PT(s) 11.99 ± 0.95 12.12 ± 1.05 11.94 ± 0.90 0.175
 TT(s) 17.18 ± 1.09 17.00 ± 1.13 17.24 ± 1.06 0.106
 APTT(s) 29.78 ± 2.24 29.54 ± 2.17 29.88 ± 2.26 0.269
 D-dimer (μg/ml) 7.57 ± 6.44 9.84 ± 6.84 6.59 ± 6.02 <0.001
  1. *The chi-square test or Independent t test was conducted to compare inter-group difference