Table 1 Task measures, subtask times, and errors that were used for the calculation of total task scores. A list of time and error measures taken from two tasks and the description

Time

Total time

Object on to Peg C - Trial start

Total time

Suture cut - Trial start

Time on peg A

Object on to Peg A - Trial start

Time on preparation

Needle first puncture - Trial start

Time on peg B

Object on to Peg B - Object on to Peg A

Time on suturing

Beginning of 1st knot tying - Needle first puncture

Time on peg C

Object on to Peg C - Object on to Peg B

Time on knot 1

Beginning of 2nd knot tying - Beginning of 1st knot tying

Time on knot 2

Scissor in view - Beginning of 2nd knot tying

Time on cutting

Thread cut - Scissor in view

Errors

# of object drop (+ 3 s)

number of plastic triangle drop during entire trial

# of needle adjustment

Number of needle being picked up, orientation adjustment

# of object transfer between hands (+ 3 s)

Number of object being transfer between hands of the chief operator

# of needle insert/exiting

Number of attempts of needle inserting and exiting the suture sides

# of incorrect view (+ 3 s)

number of object or tips of instrument out of the scope view

# of cutting

Number of attempts of cutting thread after knot typing

# of horizontal line twist (+ 3 s)

Number of times when the scope view is not horizontal.

# of incorrect view

number of object or tips of instrument out of the scope view

# of instruments collision (+ 3 s)

Number of collision between scope and instruments

# of horizontal line twist

Number of times when the scope view is not horizontal.

Communication

Silent team (+ 10s), insufficient communication (+ 5 s)

# of instruments collision

Number of collision between scope and instruments

Communication

Silent team (+10s), insufficient communication (+ 5 s)

Quality of knot tying

Loose knot (+ 10 s); unsecured knot (+ 5 s)