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Table 2 Indications for oral anticoagulant treatment, age of patient, duration of treatment, mean target and, actual INR October 15, 2002. For mean target and INR, 10th and 90th percentiles are presented. All groups are compared with the Mechanical heart valve prosthesis group.

From: Anticoagulant treatment at a specialized outpatient anticoagulant therapy unit, a descriptive study

Indication n (%) Age (years) Duration of treatment (years) Mean target (10–90%) INR mean (10–90%)
Mechanical heart valve prosthesis 263 (28.4) 68.3 7.43 2.59(2.55–2.85) 2.68(2.10–3.40)
Atrial fibrillation 399(44.3) 75.4 a 3.92 a 2.51 (2.40–2.55) a 2.54(1.90–3.20) c
Other 183(20.3) 65.3 n.s. 5.20 a 2.50 (2.25–2.55) a 2.50(1.90–3.20) b
Record missing d 55 (6.9) 70.9 n.s. 4.67 a 2.50(2.15–2.55) a 2.45 (1.83–3.10) n.s.
All indications 900 (100) 71.0 5.22 2.53 (2.40–2.55) 2.57 (1.90–3.20)
  1. ap < 0.001, bp < 0.01, cp < 0.05, n.snonsignificant dcf. Table 3