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Table 2 Therapeutic approaches according to severity grades (TG-18a)

From: COVID-19 outbreak and acute cholecystitis in a Hub Hospital in Milan: wider indications for percutaneous cholecystostomy

  Grade I Grade II Grade III
Antibiotics only 0 7 (43.7%) 4 (50%)
PCb 2 (15.4%) 3 (18.7%) 3 (37.5%)
LCc 11 (84.6%) 6 (37.6%) 1 (12.5%)
  1. a 2018 Tokyo Guidelines; b Percutaneous cholecystostomy; c Laparoscopic cholecystectomy