Table 1. Clinical characteristics of 50 colorectal cancer patients.

Parameters	N [%]
Sex
Male	30 [60]
Female	20 [40]
Age
<60 years	27 [54]
≥60 years	23 [46]
Tumor stage
I	1 [2]
II	12 [24]
III	23 [46]
IV	1 [2]
None	13 [26]
Pathological type
Adenocarcinoma	50 [100]
Smoking
Yes	16 [32]
No	34 [68]
Drinking
Yes	24 [48]
No	26 [52]
Tumor size (cm)
<5	15 [30]
≥5	33 [66]
None	2 [4]
Tumor volume (cm2)
<100	20 [40]
≥100	28 [56]
None	2 [4]
Tumor differentiation
Moderate	33 [66]
Low	6 [12]
Middle-low	6 [12]
None	5 [10]
Hypertension
Yes	11 [22]
No	39 [78]
Diabetes
Yes	1 [2]
No	49 [98]
Therapeutic method
Surgery	28 [56]
Chemotherapy	2 [4]
Surgery + chemotherapy	20 [40]
Recurrence
Yes	5 [10]
No	45 [90]
Metastasis
Yes	12 [24]
No	38 [76]
Overall survival (OS)
<6 months	19 [38]
≥6 months	31 [62]
Progression-free survival (PFS)
<3 months	13 [26]
≥3 months	2 [4]
None	35 [70]