Groups information

Group name

Group 1

Groups definition

 The first surgeon (MDB) completed 20 consecutive operations in February 2009 - May 2009, with a beginner bedside assistant (Group-1).

Groups remarks

a beginner bedside assistant

Clinical T stage

T1c

16 (80)

T2a

4 (20)

T2b

0

T2c

0

p-value

0.16

N stage, M stage