Table 2 Comparison of clinicopathological data and survival between the PHC subgroup and PBTC subgroup

mOS(95%CI)

9.9 (8.7-11.2)

8.4 (6.7-10.1)

0.041***

Age (years)

60.47±9.76

60.94±9.63

0.568*

Sex Male:Female

224:189

115:92

0.798**

Pain on the back and loin No:Yes

334:79

128:79

0.000**

Somking history No:Yes

254:159

139:68

0.098**

Diabetes history No:Yes

233:180

119:88

0.434**

CA199(U/ml)

258.7 (0.5-37192)

195 (0.5-327524)

0.336^##

CEA (ng/ml) <5:≥5

272:141

127:80

0.287**

Total bilirubin (umol/l)

97.9 (0.92-1221.8)

10.4 (2.3-405.7)

0.000^##

Albumin(g/l) <35:≥35

61:352

15:192

0.006**

NLR <5:≥5

361:52

180:27

0.899**

Peripancreatic invasion No:Yes

194:219

46:161

0.000**

Weight loss (kg) <5:≥5

234:179

123:84

0.547**

Operative procedure Wo:Po:Rr

99:70:244

79:10:118

0.000^#

Tumor size (cm)

3.1 (1.0-9.0)

4.4 (1.2-11.2)

0.000^##

Lymph node metastasis No:Yes

277:136

141:66

0.856**

Hepatic metastasis No:Yes

370:43

166:41

0.020**

Number of distant organ metastatic 0:1:≥2

339:60:14

119:51:37

0.000^#

Adjuvant chemotherapy No:Yes

376:37

188:19

0.518**