Definition of colorectal anastomotic leakage: A consensus survey among Dutch and Chinese colorectal surgeons

Table 3 Surgeons’ opinion regarding the value of radiodiagnostics in the diagnosis of colorectal anastomotic leakage

Responders, n (%)	China (%)	The Netherlands (%)	P-value
In how many percent of patients with clinical suspicion of anastomotic leakage do you perform radiodiagnostics?
	202 (100)	55 (93)
0%-20%	3.0	0
21%-40%	6.4	0
41%-60%	6.9	1.8
61%-80%	24.3	16.4
81%-100%	59.4	81.8
Average	83.3	91.5	0.285
In how many percent of patients with clinical suspicion of anastomotic leakage do radiodiagnostics change your treatment policy?
	202 (100)	54 (91.5)
0%-20%	10.9	13.0
21%-40%	9.9	5.6
41%-60%	27.7	44.4
61%-80%	30.2	25.9
81%-100%	26.7	11.1
Average	63.6	55.9	0.028
In how many cases did the CT scan report no anastomotic leakage while there finally was an anastomotic leakage?
	202 (100)	52 (88.1)
0%-20%	40.6	51.9
21%-40%	29.2	28.8
41%-60%	25.2	15.4
61%-80%	4.0	1.9
81%-100%	1.0	1.9
Average	31.8	28.7	0.221
In how many percent of cases do you consider a reoperation without previous radiodiagnostics?
	202 (100)	53 (89.8)
0%-20%	58.4	84.9
21%-40%	18.8	13.2
41%-60%	17.3	0
61%-80%	4.5	0
81%-100%	1.0	1.9
Average	25.4	13.6	< 0.001