The Impact of Serum Parameters Associated with Kidney Function on the Short-Term Outcomes and Prognosis of Colorectal Cancer Patients Undergoing Radical Surgery
Table 1
Comparison between the normal BUN group and the abnormal BUN group.
Characteristics
Normal BUN (1937)
Abnormal BUN (110)
value
Age, year
63.0 (20.0–94.0)
70.0 (38.0–91.0)
<0.01
Sex
<0.01
Male
1124 (58.0%)
88 (80.0%)
Female
813 (42.0%)
22 (20.0%)
BMI, kg/m2
22.8 (14.2–37.3)
22.0 (15.8–33.7)
0.054
Smoking
726 (37.5%)
59 (5act3.6%)
0.001
Drinking
590 (30.5%)
48 (43.6%)
0.004
Hypertension
479 (24.7%)
50 (45.5%)
<0.01
T2DM
231 (11.9%)
25 (22.7%)
0.001
CHD
69 (3.6%)
7 (6.4%)
0.124
Open surgery
189 (9.8%)
13 (11.8%)
0.481
Tumor location
0.406
Colon
853 (44.0%)
44 (40.0%)
Rectum
1084 (56.0%)
66 (60.0%)
TNM stage
0.582
I
391 (20.2%)
20 (18.2%)
II
795 (41.0%)
40 (36.4%)
III
660 (34.1%)
44 (40.0%)
IV
91 (4.7%)
6 (5.5%)
Tumor size
0.881
<5 cm
1141 (58.9%)
64 (58.2%)
≥5 cm
796 (41.1%)
46 (41.8%)
Operation time (min)
215.0 (45.0–695.0)
221.5 (75.0–540.0)
0.530
Blood loss (mL)
50.0 (5.0–3500.0)
80.0 (5.0–2200.0)
0.335
Hospital stay (day)
9.0 (2.0–269.0)
10.0 (4.0–54.0)
0.002
Overall complications
399 (20.6%)
37 (33.6%)
0.001
Major complications
46 (2.4%)
3 (2.7%)
0.745
Variables are expressed as the median and range, n (%), -value <0.05. Abbreviations: BUN, blood urea nitrogen; T2DM, type 2 diabetes mellitus; BMI, body mass index; CHD, coronary heart disease.
