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Table 1 Baseline characteristics of study cohort

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

Variable

All patients (nā€‰=ā€‰1208)

Surgery

Nonsurgery (nā€‰=ā€‰480)

curative (nā€‰=ā€‰380)

Palliative (nā€‰=ā€‰348)

Age (median)

63

61

63

64

Gender (male)

736 (60.9 %)

232 (61.1 %)

248 (71.3 %)

256 (53.3 %)

Smoking (yes)

448 (37.1 %)

148 (38.9 %)

160 (46.0 %)

140 (29.2 %)

Diabetes (yes v no)

256 (21.2 %)

52 (13.7 %)

96 (27.6 %)

116 (24.2 %)

Alcoholism (yes v no)

256 (21.2 %)

80 (21.1 %)

96 (27.6 %)

80 (16.7 %)

Chief complaint

ā€ƒNo symptom

120 (9.9 %)

68 (17.9 %)

8 (2.3 %)

44 (9.2 %)

ā€ƒAbdominal distention/pain

664 (55 %)

172 (45.3 %)

184 (52.9 %)

308 (64.2 %)

ā€ƒJaundice

360 (29.8 %)

128 (33.7 %)

148 (42.5 %)

84 (17.5 %)

ā€ƒWeight loss

64 (5.3 %)

12 (3.2 %)

8 (2.3 %)

44 (9.2 %)

Tumor characteristics

ā€ƒTumor size (ā‰¤2)

192 (15.9 %)

80 (21.1 %)

56 (16.1 %)

56 (11.7 %)

ā€ƒTumor number (single)

1176 (97.4 %)

364 (95.8 %)

340 (97.7 %)

472 (98.3 %)

ā€ƒTumor encapsulation (yes)

ā€“

284 (74.7 %)

212 (60.9 %)

ā€“

ā€ƒTumor location (head)

856 (70.9 %)

284 (74.7 %)

340 (97.7 %)

232 (48.3 %)

ā€ƒTumor differentiation (Iā€“II)

ā€“

276 (72.6 %)

148 (42.5 %)

ā€“

ā€ƒLymph nodes positive (yes)

ā€“

84 (22.1 %)

96 (27.6 %)

ā€“

ā€ƒAJCC stage (Iā€“II)

512 (42.4 %)

300 (78.9 %)

136 (39.1 %)

76 (15.8 %)

CEA (ā‰¤2ULN)

924 (76.5 %)

296 (77.9 %)

292 (83.9 %)

336 (70.0 %)

CA19-9 (ā‰¤2ULN)k

316 (26.2 %)

164 (43.2 %)

72 (20.1 %)

80 (16.7 %)

Chemotherapy (yes)

892 (73.8 %)

324 (85.3 %)

308 (88.5 %)

260 (54.2 %)

  1. Tumor differentiation: I, Well differentiated; II, moderately differentiated; III, poorly differentiated; and IV, undifferentiated
  2. AJCC American Joint Committee on Cancer staging system, CEA carcinoembryonic antigen, CA19-9 carbohydrate antigen 19-9. ULN Upper Limit of Normal. ULN of CEA and CA19-9 are 10 ng/ml and 22U/ml