Table 4

Anticoagulation status on admission and on discharge according to age, sex and CHADS2 categories in patients with AF

Anticoagulant treatment prior to admissionGroup differencesAnticoagulant treatment on dischargeGroup differences
Yes
n=302
(45.3%)
No
n=279
(41.9%)
Not suitable
n=85
(12.8%)
χ2 P valuesYes
n=492
(88.8%)
No
n=1
(0.2%)
Not suitable
n=61
(11.0%)
χ2 P values
Age
 <65 years18 (43.9%)15 (36.6%)8 (19.5%)4.10.39735 (92.1%)1 (2.6%)2 (5.3%)17.70.001
 65–74 years41 (45.6%)42 (46.7%)7 (7.8%)77 (93.9%)0 (0.0%)5 (6.1%)
 ≥75 years243 (45.4%)222 (41.5%)70 (13.1%)380 (87.6%)0 (0.0%)54 (12.4%)
Sex
 Men145 (48.2%)113 (37.5%)43 (14.3%)4.40.108224 (89.6%)0 (0.0%)26 (10.4%)1.00.604
 Women157 (43.0%)166 (45.5%)42 (11.5%)268 (88.2%)1 (0.3%)35 (11.5%)
CHADS2
 04 (13.3%)20 (66.7%)6 (20.0%)13.30.01034 (97.1%)0 (0.0%)1 (2.9%)8.00.090
 172 (48.6%)59 (39.9%)17 (11.5%)127 (91.4%)1 (0.7%)11 (7.9%)
 ≥2226 (46.3%)200 (41.0%)62 (12.7%)331 (87.1%)0 (0.0%)49 (12.9%)
  • AF, atrial fibrillation; CHADS2, congestive heart failure, hypertension, age, stroke/TIA; TIA, transient ischaemic attack.