Conditional survival of pancreatic ductal adenocarcinoma in surgical and nonsurgical patients: a retrospective analysis report from a single institution in China

Table 3 Proportion of patients with surgical and nonsurgical pancreatic ductal adenocarcinoma survived for additional time (%)

Total survival^a	Actual survival (CR/PS/NS)	Time elapsed after surgery and nonsurgery (CR/PS/NS)
Total survival^a	Actual survival (CR/PS/NS)	6 months	12 months	18 months	24 months	30 months
6 months	93.7/74.7/35.8	–
12 months	77.9/36.8/15.8	83.1/49.3/44.1	–
18 months	61.1/13.8/5.8	65.2/18.5/16.2	78.4/37.5/36.7	–
24 months	41.1/4.6/1.7	43.9/6.2/4.7	52.8/12.5/10.8	67.3/33.3/29.3	–
30 months	22.1/4.6/NA	23.6/6.2/NA	28.4/12.5/NA	36.2/33.3/NA	53.8/NA/NA	–
36 months	20.0/NA/NA	21.3/NA/NA	25.7/NA/NA	32.7/NA/NA	48.7/NA/NA	90.5/NA/NA

CR curative resection, PS palliative surgery, NS nonsurgery, NA not adopted for all patients died in the subgroup
^aIf a patient with curative resection has already survived for 6 months, the 6-month conditional survival is 83.1 %

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