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

Table 5 Sigmoidectomies: Inferior mesenteric 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)	P-value
Sigmoidectomies, n	13	16	-	-	-
Actual stump	35.42 ± 1 5.62, (25.98-44.86)	69.92 ± 30.29, (53.78-86.06)	-34.50 ± 9.28, [-53.55-(-15.45)]	-3.72 (27)	< 0.0011
D2PLL	35.15 ± 8.85, (29.80-40.50)	40.08 ± 8.36, (35.62-44.53)	-4.93 ± 3.20, (-11.50-1.65)	-1.54 (27)	0.136
D2IP	0.27 ± 12.90, [-7.53-(-8.06)]	29.84 ± 29.67, (14.56-45.12)	-29.57 ± 8.01, [-46.20-(-12.94)]	-3.69 (21.72)	0.0011
D3IP	25.42 ± 15.62, (15.98-34.86)	59.92 ± 30.29, (43.78-76.06)	-34.50 ± 9.28, [-53.55-(-15.45)]	-3.72 (27)	< 0.0011
Statistics for D2IP, t (df), P	0.07 (12), 0.9421	4.16 (15), < 0.011	-	-	-
Statistics for D3IP, t (df), P	5.87 (12), 0.0011	7.91 (15), < 0.011	-	-	-

¹Reference to RESULTS text. D₂IP: D2 improvement potential, calculated as difference of actual stump - D₂PLL; D₃IP improvement potential, calculated as difference of actual stump – 10 mm (D3 level). D₂PLL: D2 predicted ligation level.