Table 3.

Per surgeon or resident supply cost and operating time for laparoscopic appendectomy for non-perforated appendicitis before and after intervention. PGY = Post Graduate Year

	OR Supply Cost, median dollars (IQR)			OR Time, median minutes (IQR)
Surgeon*	Baseline	Intervention	P-value	Baseline	Intervention	P-value
A (n=43)	$876 ($746–$1063)	$470 ($394–$702)	<0.001	57 (40–76)	62 (54–77)	0.223
B (n=39)	$789 ($498–$1022)	$1006 ($916–$1097)	0.039	31 (26–42)	36 (30–44)	0.257
C (n=29)	$878 ($857–$989)	$196 ($166–$213)	<0.001	60 (53–67)	61 (51–69)	0.913
D (n=27)	$783 ($754–$884)	$755 ($477–$839)	0.195	58 (47–74)	58 (49–67)	0.843
E (n=26)	$676 ($668–$808)	$248 ($209–$276)	<0.001	64 (45–79)	58 (44–72)	0.697
F (n=21)	$581 ($317–$726)	$190 ($155–$250)	<0.001	41 (38–45)	36 (31–43)	0.155
G (n=19)	$842 ($756–$1002)	$443 ($208–$499)	<0.001	37 (31–40)	38 (33–47)	0.595
H (n=12)	$915 ($387–$759)	$612 ($387–$759)	0.009	34 (33–44)	55 (48–60)	0.045
Resident Level*	Baseline	Intervention	P-value	Baseline	Intervention	P-value
Intern (n=50)	$794 ($716–$878)	$682 ($419–$916)	0.146	56 (50–69)	56 (44–66)	0.701
PGY 3/4 (n=90)	$808 ($672–$1002)	$428 ($219–$727)	<0.001	50 (37–73)	56 (42–65)	0.702
Junior Fellow (n=32)	$888 ($781–$1002)	$872 ($428–$959)	0.416	46 (32–51)	58 (35–64)	0.126
Senior Fellow (n=43)	$737 ($622–$881)	$250 ($185–$392)	<0.001	42 (34–45)	40 (32–47)	0.920

^*Total number of cases per surgeon or resident level in both time periods