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Table 3 Risk factors of patients and prophylaxis according to risk categories in guidelines

From: Use of venous thromboprophylaxis and adherence to guideline recommendations: a cross-sectional study

Risk category

Low risk

Moderate risk

High risk

Overall

Test significance

Number of patients (%)

100 (25)

257 (65)

40 (10)

397 (100)

 

Mean age (SD)

47.8 (18)

63.2 (15)

67.8 (11)

60 (17)

p < 0.001

Mean number risk factors (SD)

1 (0.7)

2.9 (1.2)

4.2 (1)

2.6 (1.4)

p < 0.0001

Contra-indications1 n (%)

17 (17)

25 (10)

-

42 (11)

p < 0.01

Prophylaxis n (%)

11 (11)

184 (72)

36 (90)

231 (58)

p < 0.001

Surgical prophylaxis2 n (%)

2 (12)

89 (90)

29 (91)

120 (81)

p < 0.0001

Non-surgical prophylaxis3 N (%)

9 (11)

95 (60)

7 (87.5)

111(45)

p < 0.0001

  1. 1 Contraindications to receive heparins 2 Prophylaxis in patients undergoing surgery 3 Prophylaxis in patients not undergoing surgery