Vascular calcification does not predict anastomotic leak or conduit necrosis following oesophagectomy

Table 4 Predictive accuracy of calcification scores

		Anastomotic leak			Conduit necrosis
	Distributio nof scores	n/n(%)	AUROC (SE)	P Value	n/n (%)	AUROC (SE)	P value
Proximal	n = 4121		0.518 (0.039)	0.652		0.559 (0.067)	0.454
0	159 (38.6)	24/159 (15.1)			3/159 (1.9)
1	199 (48.3)	31/197 (15.7)			10/197 (5.1)
2	54 (13.1%)	10/54 (18.5)			1/54 (1.9)
Coeliac	n = 4131		0.514 (0.039)	0.714		0.570 (0.083)	0.374
0	316 (76.5)	48/315 (15.2)			9/315 (2.9)
1	91 (22.0)	17/90 (18.9)			4/90 (4.4)
2	6 (1.5)	0/6 (0.0)			1/6 (16.7)
R Post Coeliac	n = 4131		0.502 (0.039)	0.951		0.486 (0.077)	0.860
0	401 (97.1)	63/400 (15.8)			14/400 (3.5)
1	12 (2.9)	2/11 (18.2)			0/11 (0.0)
L Post Coeliac	n = 4131		0.492 (0.039)	0.840		0.443 (0.072)	0.465
0	337 (81.6)	54/336 (16.1)			13/336 (3.9)
1	76 (18.4)	11/75 (14.7)			1/75 (1.3)
Distal	n = 3801		0.499 (0.040)	0.990		0.582 (0.076)	0.297
0	50 (13.2)	6/50 (12.0)			1/50 (2.0)
1	191 (50.3)	33/191 (17.3)			6/191 (3.1)
2	139 (36.6)	20/137 (14.6)			7/137 (5.1)
Bifurcation	n = 3801		0.545 (0.040)	0.275		0.492 (0.077)	0.921
0	108 (28.4)	13/108 (12.0)			4/108 (3.7)
1	182 (47.9)	30/181 (16.6)			7/181 (3.9)
2	90 (23.7)	16/89 (18.0)			3/89 (3.4)

¹The number of patients for whom the score was recorded. P-values are from the ROC curve analyses. AUROC: Area under the ROC curve. Analyses of outcomes exclude n = 2 patients for whom complication data were not available.