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Table 1 Characteristics of the study population and difference between DVT group and non-DVT group

From: Usefulness of clinical predictors for preoperative screening of deep vein thrombosis in hip fractures

 

Total (n = 92)

DVT group (n = 15)

Non-DVT group (n = 77)

p-value

Age, year Ω

78 ± 10

81 ± 10

78 ± 9

0.29

Female gender ♦

68 (73.9)

12

56

0.75

BMI, kg/m2 c

22.6 ± 4.5

23.5 ± 6..0

22.4 ± 4.1

0.49w

Right side ♦

52 (56.5)

8

44

0.78

Extracapsular fracture ♦

45 (48.9)

10

35

0.16

High-energy mechanism ♦

5 (5.4)

1

4

1.00

Active smoker ♦

3 (3.3)

2 (13.3)

1 (1.3)

0.009*

CCI Ω

5.7 ± 2.3

6.5 ± 2.7

5.5 ± 2.2

0.11

Swollen leg ♦

9 (9.8)

5

4

0.005*

Pitting edema ♦

6 (6.5)

3

3

0.05

Time to doppler USG, day

2 (1–7)

3 (1.25–6.5)

2 (1–7.25)

0.61m

Wells score Ω

0.9 ± 0.9

1.5 ± 1.1

0.8 ± 0.8

0.05*

Caprini score Ω

12.1 ± 1.4

12.8 ± 1.3

11.9 ± 1.3

0.02*

D-dimer, ng/mL ■

4343 (1766–11433)

4530 (2675–8874)

4258 (1611–12080)

0.68m

  1. BMI body mass index, CCI Charlson comorbidity index
  2. Ω; value presented as mean ± standard deviation
  3. ♦; value presented as number of cases (percentage)
  4. ■; value presented as median (interquartile range)
  5. w; p-value calculated from Welch test
  6. m; p-value calculated from Mann-Whitney U test
  7. *; significant value with p < 0.05