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Table 2 Symptomatic patients in pre-COVID-19 versus COVID-19 phase

From: Active surveillance with telemedicine in patients on anticoagulants during the national lockdown (COVID-19 phase) and comparison with pre-COVID-19 phase

  Pre COVID-19 (n = 614) COVID-19 (n = 600) p value
Symptomatic 103 (16.7) 58 (9.6) 0.003
Referral (n) NA 58 (9.6)  
Deranged INR 195 (37.14) 204 (40.31) 0.30
Subtherapeutic 137 (26.1) 157 (31) 0.08
Supratherapeutic INR < 5 58 (11.04) 47 (9.2) 0.35
Supratherapeutic INR > 5 23 (4.3) 18 (3.5) 0.52
Clinical events
 Hospitalization 29 (4.7) 19 (3.1) 0.18
 Major bleeding 7 (1.1) 3 (0.5) 0.34
 Minor bleeding 4 (0.6) 5 (0.8) 0.75
 Thromboembolic episode 15 (2.4) 10 (1.6) 0.42
 CVA/TIA 11 (1.7) 7 (1.1) 0.77
 Prosthetic valve thrombosis 4 (0.6) 3 (0.5) 1.00
  1. INR international normalized ratio, CVA cerebrovascular accident, TIA transient ischemic attack