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Table 1 Comparison between patients with prescription for anticoagulants versus without

From: Secondary stroke prevention in atrial fibrillation: a challenge in the clinical practice

 

Total cohort

Prescription for OA

Non-Prescription for OA

P

OR* (95% CI)

(n = 1.828) 100%

(n = 827) 45,24%

(n = 1.001) 54,76%

Age (years) median/mean (SD)

77.61 (±8.6)

75.01 (±8.1)

79.75 (±8.5)

< 0.001

 

  < 65 years

126 (6.9%)

79 (9.6%)

47 (4.7%)

< 0.001

2.14 (1.48-3.11)

  65-75 years

537 (29.4%)

323 (39.1%)

214 (21.4%)

< 0.001

2.36 (1.99-2.90)

  > 75 years

1165 (63.7%)

425 (51.4%)

740 (73.9%)

< 0.001

0.37 (0.31-0.45)

Sex

     

  Male

764 (41.8%)

398 (48.1%)

366 (36.6%)

< 0.001

ref. category

  Female

1064 (58.2%)

429 (51.9%)

635 (63.4%)

< 0.001

0.62 (0.52-0.75)

Risk factors

     

  Hypertension

1444 (79.0%)

660 (79.8%)

784 (78.3%)

0.4

1.09 (0.87-1.37)

  Diabetes mellitus

530 (29.0%)

240 (29.0%)

290 (29.0%)

0.9

1.00 (0.82-1.23)

Diagnosis

     

  TIA

639 (35.0%)

260 (31.4%)

379 (37.9%)

< 0.001

0.75 (0.62-0.91)

 Previous stroke

433 (23.7%)

179 (21.6%)

254 (25.4%)

0.062

0.81 (0.65-1.01)

mRS as assessed on discharge

     

  0

557 (30.5%)

282 (34.1%)

275 (27.5%)

0.002

1.37 (1.19-1.67)

  1

478 (26.1%)

226 (27.3%)

252 (25.2%)

0.3

1.18 (0.91-1.38)

  2

403 (22.0%)

174 (21.0%)

229 (22.9%)

0.3

0.90 (0.72-1.12)

  3

390 (21.3%)

145 (17.5%)

245 (24.5%)

< 0.001

0.66 (0.52-0.82)

  Median, range

1 (0-3)

1 (0-3)

1 (0-3)

  

Treatment in a neurological department

1243 (68.0%)

611 (73.9%)

632 (63.1%)

< 0.001

1.65 (1.35-2.02)

Comorbidities occurring while hospitalisation

     

  Intracranial bleeding

8 (0.4%)

5 (0.6%)

3 (0.3%)

0.3

2.02 (0.48-8.49)

  Extracranial bleeding

7 (0.4%)

4 (0.5%)

3 (0.3%)

0.5

1.61 (0.36-7.24)

  Recurrent stroke/TIA

17 (0.9%)

12 (1.5%)

5 (0.5%)

0.04

2.93 (1.03-8.36)

  Seizure

6 (0.3%)

0 (0%)

6 (0.6%)

0.03

not applicable

  Pneumonia

42 (2.3%)

18 (2.2%)

24 (2.4%)

0.8

0.91 (0.49-1.69)

Documented dementia within the insurance database #

241 (13.2%)

67 (7.2%)

174 (14.2%)

< 0.001

0.42 (0.31-0.56)

  1. *Value calculated in a Chi Square Test of Independence.
  2. #dementia documented within the insurance database on discharge or within 90 days after discharge; considered were the following ICD10 codes: dementia by Alzheimer's disease (F00.-), vascular dementia (F01.-, G30), secondary dementia (F02.-) and undetermined dementia (F.03).
  3. AK refers to anticoagulants.
  4. TIA refers to transient ischaemic attack.
  5. mRS refers to modified Rankin scale.