Post-operative computed tomography scan – reliable tool for quality assessment of complete mesocolic excision

Table 4 Right colectomies: Ileocolic artery stump comparison between groups A and B

	Group A, mean in mm ± SD, (95%CI)	Group B, mean in mm ± SD, (95%CI)	A – B difference, mean in mm ± SE, (95%CI)	Statistics for A – B difference, t (df)1	P-value
Right colectomies, n	12	10	-	-	-
Actual stump	16.97 ± 4.77, (13.94-19.96)	49.93 ± 20.29, (35.40-64.44)	-32.96 ± 6.53, [-47.62-(-18.30)]	-5.02 (9.83)	0.0012
D2PLL	11.12 ± 2.97, (9.23-13.00)	7.80 ± 6.53, (3.13-12.47)	3.32 ± 2.10, (-1.06-7.69)	1.58 (20)	0.130
D2IP	5.85 ± 4.71, (2.85-8.84)	42.13 ± 21.50, (26.75-57.50)	-35.78 ± 6.74, [-50.83-(-20.72)]	-5.31 (9.77)	< 0.0012
Statistics for D2IP, t (df), P	4.30 (11), 0.0012	6.20 (9), < 0.0012	-	-	-

¹t-test.

²Reference to RESULTS text. D₂IP: D2 improvement potential, calculated as difference of actual stump; D₂PLL: D2 predicted ligation level.