Table 1.

Microsurgical grape dissection task “Star’s the limit” grading rubric.

Items	Descriptions
Time to Complete	The time to completion (seconds) is recorded, up to 5 min for each repetition; otherwise, participants are told to stop
Completeness of the Dissected Star	Defined as star-shaped grape skin is obtained
	0 for failure
	1 for success
Clean Star with No Flesh – “flesh score”	The dissected star needs to be “clean skin” without flesh attached
	0 points for a lot of flesh or no star obtained
	1 point for some flesh
	2 points for no flesh
Edge within Limit – “edge score”	Incision needs to be made within the drawn line
	Both the dissected star and the remaining grape is examined; 1 point for the existence of the blackish on each edge
	If no star obtained, up to 10 points since only the main grape can be assessed
	If star obtained, up to 20 points
Perforation	The number of perforations made is recorded
	1 point deduction for every perforation into the deep grape flesh