413
Although no coagulation study was done and the Meckel's diverticulum is normally associated with bleeding, the particular intensity of the following hemorrhage may have been favored by metformin.
 adverse event: favored 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: favored 