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Table 2 Univariate analysis of pre-traumatic and post-traumatic risk factors with the presence of post-traumatic ICH in patients receiving OAT

From: “Decision tree analysis for assessing the risk of post-traumatic haemorrhage after mild traumatic brain injury in patients on oral anticoagulant therapy”

Variable

No ICH

ICH

p-value

Patients, n (%)

2764 (90.5)

290 (9.5)

 

Age in years, median (IQR)

83 (77-87)

84 (78-88)

0.030

Sex, n (%)

0.155

 Male

1268 (45.9)

146 (50.3)

 Female

1496 (54.1)

144 (49.7)

Oral anticoagulant therapy, n (%)

0.002

 VKA

1642 (59.4)

200 (69)

 DOACs

1122 (40.6)

90 (31)

Pre-traumatic risk factors, n (%)

 Major trauma dynamic

94 (3.4)

42 (14.4)

< 0.001

 Acute intoxication

59 (2.1)

6 (2.1)

1.000

 Previous neurosurgery

66 (2.4)

20 (6.9)

< 0.001

 Antiplatelet therapy

125 (4.5)

23 (7.9)

0.014

Post-traumatic risk factors, n (%)

 Post-traumatic TLOC

112 (4.1)

60 (20.7)

< 0.001

 Post-traumatic amnesia

208 (7.5)

89 (30.7)

< 0.001

 Post-traumatic headache

85 (3.1)

27 (9.3)

< 0.001

 GCS < 15

277 (10.0)

88 (30.3)

< 0.001

 Focal neurological signs

23 (0.8)

15 (5.2)

< 0.001

 Visibile trauma above the clavicles

1780 (64.4)

243 (83.8)

< 0.001

 Post-traumatic vomiting

53 (1.9)

31 (10.7)

< 0.001

 Post-traumatic seizure

6 (0.2)

3 (1.0)

0.046