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. Author manuscript; available in PMC: 2020 Sep 9.
Published in final edited form as: Ann Surg Oncol. 2017 Nov 27;25(2):431–438. doi: 10.1245/s10434-017-6264-x

Table 1.

Patient Demographics and Clinicopathologic Characteristics

Patient Characteristics Right-Sided Primary (Total=329) Left-Sided Primary (Total=578)
N (%) N (%) p
Age at Surgery, median (range) 65.4 (26–86) 62.6 (23–89) <0.001
Gender 0.553
Male 180 (54.7) 328 (56.7)
Female 149 (45.3) 250 (43.3)
T stage for primary tumor 0.885
1 9 (2.7) 13 (2.2)
2 38 (11.6) 69 (11.9)
3 241 (73.3) 412 (71.3)
4 25 (7.6) 48 (8.3)
Unknown 16 (4.9) 36 (6.2)
N stage for primary tumor 0.144
N0 126 (38.3) 223 (38.6)
N1 113 (34.3) 231 (40.0)
N2 88 (26.7) 119 (20.6)
Unknown 2 (0.6) 5 (0.9)
LVI for primary tumor 0.665
No 108 (32.8) 183 (31.7)
Yes 82 (24.9) 160 (27.7)
Unknown/Missing 139 (42.2) 235 (40.7)
PNI for primary tumor 0.318
No 122 (37.1) 186 (32.1)
Yes 35 (10.6) 69 (11.9)
Unknown/Missing 172 (52.3) 323 (55.9)
Tumor grade 0.157
Well 4 (1.2) 16 (2.8)
Moderate 255 (77.5) 451 (78.0)
Poor 34 (10.3) 41 7.1)
Unknown/Missing 36 (10.9) 70 (12.1)
CEA 0.155
<200 255 (77.5) 447 (77.3)
≥200 38 (11.6) 48 (8.3)
Unknown/Missing 36 (10.9) 83 (14.3)
DFI 0.002
<12 month 202 (61.4) 292 (50.5)
≥12 month 127 (38.6) 286 (49.5)
Size of largest liver tumor 0.858
<5 222 (67.5) 387 (67.0)
≥5 107 (32.5) 191 (33.0)
Multiple liver tumor 0.809
1 172 (52.3) 307 (53.1)
>1 157 (47.7) 271 (46.9)
Clinical Risk Score 0.664
0–2 172 (52.3) 283 (49.0)
3–5 119 (36.2) 209 (36.2)
Unknown 38 (11.6) 86 (14.9)
Extrahepatic Disease 0.263
No 304 (92.4) 545 (94.3)
Yes 25 (7.6) 33 (5.7)
Margin 0.191
Negative 308 (93.6) 527 (91.2)
Positive 21 (6.4) 51 (8.8)
Perioperative Chemotherapy 0.919
Yes 304 (92.4) 533 (92.2)
No 25 (7.6) 45 (7.8)
Hepatic Artery Infusion Pump 0.381
Yes 103 (31.3) 165 (28.5)
No 226 (68.7) 413(71.4)