Table 1.

Surgeon/case characteristics for control and Operative Armour groups.

Characteristic		Control (n=50)	Operative Armour (n=50)	P value
Case type, n (%)		N/Aa	N/A	.02
	Abdominal surgery	11 (22)	8 (16)	N/A
	Breast reconstruction	26 (52)	38 (76)	N/A
Surgeon level of training, n (%)		N/A	N/A	.27
	PGY1-3b	13 (26)	9 (18)	N/A
	PGY4-6c	30 (60)	8 (16)	N/A
	Fellow	3 (6)	8 (16)	N/A
	Attending	3 (6)	9 (18)	N/A
	Other	1 (2)	1 (2)	N/A
# Surgeons at site, mean (SD)		1.6 (0.7)	1.7 (0.6)	.87
# Surgeons in case, mean (SD)		2.7 (0.7)	2.9 (0.9)	.38
Length of incision in centimeters, mean (SD)		29.1 (1.7)	33.3 (2.2)	.13
Right-handed, n (%)		50 (100)	47 (94)	.08

^aN/A: not applicable.

^bPGY 1-3: postgraduate year 1-3.

^cPGY4-6: postgraduate year 4-6.