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Table 1 Sociodemographic and clinical characteristics of the study population at baseline

From: Does a complex intervention increase patient knowledge about oral anticoagulation? - a cluster-randomised controlled trial

Patient characteristics Intervention group Control group Total
(n = 365) (n = 371) (n = 736)
Age (years), mean (SD) 74.4 (9.5) 72.8 (9.3) 73.5 (9.4)
Sex, n (%)
 Male 205 (56.2) 200 (53.9) 405 (55.0)
 Female 160 (43.8) 171 (46.1) 331 (45.0)
CHA2DS2-VASc scorea
  = 1, n (%) 9 (3.0) 12 (4.1) 21 (3.5)
  > 1, n (%) 292 (97.0) 282 (95.9) 574 (96.5)
Long-term indication for oral anticoagulation, n (%)
 Atrial fibrillation 302 (82.7) 295 (79.5) 597 (81.1)
 Recurrent venous thrombosis 32 (8.8) 40 (10.8) 72 (9.8)
 Recurrent pulmonary embolism 31 (8.5) 30 (8.1) 61 (8.3)
 Mechanical heart prosthesis 29 (7.9) 28 (7.5) 57 (7.7)
 Intracardiac thrombus 3 (0.8) 4 (1.1) 7 (1.0)
 Other indications 33 (9.0) 34 (9.2) 67 (9.1)
Antithrombotic medication, n (%)
 Coumarin derivates 346 (94.8) 348 (93.8) 694 (94.3)
 Dabigatran 10 (2.7) 3 (0.8) 13 (1.8)
 Rivaroxaban 7 (1.9) 16 (4.3) 23 (3.1)
 Other 2 (0.5) 4 (1.1) 6 (0.8)
Last INR measured within therapeutic target range, n (%) 240 (65.8) 239 (64.4) 479 (65.1)
INR self-management, n (%) 39 (10.7) 46 (12.4) 85 (11.5)
Migration backgroundb, n (%) 27 (7.4) 24 (6.5) 51 (6.9)
Patient compliancec, n (%)
 Very good compliance 308 (84.4) 266 (71.7) 574 (80.0)
 Good compliance 51 (14.0) 86 (23.2) 137 (18.6)
 Non-compliant 6 (1.6) 17 (4.6) 23 (3.1)
 No assessment available 0 2 (0.5) 2 (0.3)
  1. aBased on 595 patients with atrial fibrillation (301 in the intervention group and 294 in the control group), whose score data was available
  2. bThe population group with a migration background consists of all persons who have immigrated to the territory of today’s Federal Republic of Germany since 1949, all foreigners born in Germany, and all persons born in Germany who have at least one parent who immigrated to the country or was born as a foreigner in Germany (source: Federal Statistical Office)
  3. cAs assessed by GP