From: Palliative primary tumor resection provides survival benefits for the patients with metastatic colorectal cancer and low circulating levels of dehydrogenase and carcinoembryonic antigen
LDH level (U/mL)
Overall survival (months)
P
PPTR group
Non-PPTR group
≤245
22.43 (4.07–86.73)
15.63 (2.80–64.50)
<0.001
246–380
19.50 (4.70–65.37)
12.23 (2.33–44.43)
0.243
>380
16.83 (2.77–73.20)
15.37 (3.23–41.33)
0.892