Skip to main content

Table 3 Major Hemorrhage and Thromboembolism Complications

From: Comparison of warfarin therapy clinical outcomes following implementation of an automated mobile phone-based critical laboratory value text alert system

  Manual Alerts PHS Alerts P value
Patients, n 3497 3781  
PT/INR measurements+ 15,790 16,704  
  PT value > 50, n (%) 583 (4) 444 (3) < 0.01
Number of complications, event (person) 164 (139) 223 (171) 0.24*
  Number of thromboembolic events, event (person) 56 (50) 62 (58) 0.709*
  Number of hemorrhagic events, event (person) 108 (96) 161 (123) 0.198*
    Major hemorrhage, event (person) 94 (86) 131 (111)  
    Treatment with vitamin K, event (person) 14 (12) 30 (18)  
  1. * P values calculated by comparing percentage of patients with complications in both study groups
  2. + Only outpatients included