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Table 1 Patient characteristics

From: Effect of vitamin K2 on the anticoagulant activity of warfarin during the perioperative period of catheter ablation: Population analysis of retrospective clinical data

Characteristics Number or median (min-max)
Total number of patients (M/F) 100 (70/30)
Age (years) 64 (31–80)
Body weight (kg) 63.8 (34.9-92.6)
Initial INR 1.76 (1.03-2.64)
Warfarin maintenance dose (mg) 3.0 (1.0-7.0)
Warfarin loading dose (mg) 5.0 (1.0-9.0)
Number of patients treated with vitamin K2 76
Total dosage of vitamin K2 (mg) 40 (20–70)
20 mg 19
30 mg 2
40 mg 35
60 mg 19
70 mg 1
Total bilirubin concentration (mg/dL) 0.7 (0.3-1.7)
Serum albumin (g/dL) 4.3 (3.6-5.0)
Serum creatinine concentration (mg/dL) 0.8 (0.5-9.6)
Estimated glomerular filtration rate (mL/min/1.73 m2) 67.7 (5–120)
  1. INR, prothrombin internationalized ratio