Research Article

Four-Factor Prothrombin Complex Concentrate Reduces Time to Procedure in Vitamin K Antagonist-Treated Patients Experiencing Gastrointestinal Bleeding: A Post Hoc Analysis of Two Randomized Controlled Trials

Table 2

Patient demographics and baseline disease characteristics.

Plasma
()
4F-PCC
()

Study site, (%)
 SFH13 (65)11 (50)
 URMC7 (35)11 (50)
Study, (%)
 Acute bleeding study17 (85)20 (90.9)
 Urgent surgery/procedure study3 (15)2 (9.1)
Age, years
 Mean (SD; range)75 (11; 51, 92)73 (14; 33, 96)
Female gender, (%)11 (55)9 (41)
Body mass index, kg/m2
 Mean (SD)29.9 (6.5)30.1 (13.5)
Initial (admission) Hgb, g/dL
 Mean (SD)8.6 (2.9)8.5 (2.1)
Initial (admission) Hct, %
 Mean (SD)26.5 (8.1)25.8 (6.2)
Initial (admission) INR
 Mean (SD)4.7 (3)5.5 (3.3)
Time on VKA treatment prior to study entry, days
1016
 Mean (SD)1784 (1851)1503 (1604)
VKA dose, mg
 Mean (SD)4.9 (2)4.1 (2.1)
Indication for VKA treatment, (%)
 Atrial fibrillation11 (55)16 (72)
 Cerebral ischemia3 (15)1 (4.5)
 Cardiac failure congestive1 (5)0
 Pulmonary embolism1 (5)2 (9.1)
 Aortic valve replacement1 (5)1 (4.5)
 Deep vein thrombosis1 (5)2 (9.1)
 Sick sinus syndrome1 (5)0
 Coronary artery disease1 (5)0
Site of GI bleed, (%)
 Upper GI3 (10)4 (18.2)
 Lower GI3 (15)5 (22.7)
 Unspecified/data unavailable14 (75)13 (59.1)

Where bleeding site was given as “probably upper,” site of bleed was considered unspecified. 4F-PCC, 4-factor prothrombin complex concentrate; GI, gastrointestinal; Hct, hematocrit; Hgb, hemoglobin; INR, international normalized ratio; SD, standard deviation; SFH, Seton Family of Hospitals, Austin, Texas; VKA, vitamin K antagonist; URMC, University of Rochester Medical Center, Rochester, New York.