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Table 3 Baseline characteristics of the patients who did or did not receive pulmonary resection

From: Significance of pulmonary resection in patients with metachronous pulmonary metastasis from pancreatic ductal adenocarcinoma: a retrospective cohort study

Variables Pulmonary resection (n = 6) No pulmonary resection (n = 18) p-value
Age, years, median (range) 70.5 (66.0–80.0) 70 (55.0–80.0) 0.251
Sex (Male/Female) 5/1 10/8 0.238
ECOG Performance status (0,1/2,3) 6/0 21/3 0.403
CEA (ng/mL), median (range) 4.9 (1.5–51.5) 3.7 (1.2–13.0) 0.251
CA19-9 (U/mL), median (range) 249.3 (18.0–955.1) 90.1 (11–1185.9) 0.224
Primary tumour location (Head/Body-tail) 4/2 11/7 0.603
Primary tumour size, median (range) 32.5 (20.0–80) 31 (6.0–50.0) > 0.99
Pathologic T category of primary tumour (T1,2/T3) 4/2 13/5 0.586
Pathologic N category of primary tumour (N0,1/N2) 4/2 11/7 0.603
Pathologic UICC Stage (1,2/3) 3/3 11/7 0.494
Residual tumour category (R0/R1) 6/0 15/3 0.403
Tumour differentiation (Well/Moderate, poor) 2/4 7/11 0.603
Completion of adjuvant chemotherapy, n (%) 3/3 5/13 0.302
Tumour diameter of pulmonary metastases (mm), median (range) 13.0 (3.0–31.0) 11.5 (4.0–32.0) 0.923
Number of PM (solitary/multiple) 0/6 1/17 0.750
Site of PM (unilateral/bilateral) 4/2 1/17 0.006
  1. CEA carcinoembryonic antigen, CA19-9 colorectal cancer antigen, UICC Union for International Cancer Control, PM pulmonary metastases, ECOG Eastern Cooperative Oncology Group