Table 1. Demographics and tumor characteristics.

Variable	Low LNR (n=27) [%]	High LNR (n=26) [%]
Age (years)
<65	13 [48]	13 [50]
≥65	14 [52]	13 [50]
Gender
Male	15 [55]	13 [50]
Female	12 [45]	13 [50]
Primary tumor site
Colon	21 [78]	17 [65]
Rectum	6 [22]	9 [35]
Number of hepatic metastases
≤3	17 [63]	9 [35]
>3	10 [37]	17 [65]
Site of hepatic metastases
Unilobar	18 [67]	8 [31]
Bilobar	9 [33]	18 [69]
Size of largest liver lesion (cm)
≤5	20 [74]	9 [35]
>5	7 [26]	17 [65]
Hepatic surgery
Yes	20 [74]	13 [50]
No	7 [26]	13 [50]
Extra-hepatic metastases
Yes	8 [30]	8 [31]
No	19 [70]	18 [69]
CEA level (ng/mL)
≤16.5	16 [59]	13 [50]
>16.5	11 [41]	13 [50]

LNR, lymph node ratio; CEA, carcinoembryonic antigen.