Longevity

(Depending on self, more than 2 case reports)

−1: Mostly disappears before half of the expected span ends

−1: Mostly persists after double of the expected span ends, for each incident

1: Mostly disappears by the end of the expected span, for each incident

0: Between above −1 and 1 scores

Lidocaine added

0: No

1: Yes

Actual Volume = Graded Volume

−1: No

0: Yes

Any other specification/incident that can absolutely endanger the patient safety

−1: Yes

0: No

Total Score