The Relationship between Serum Trace Elements and Oxidative Stress of Patients with Different Types of Cancer
Table 1
Basic demographical data and laboratory results of all subjects.
Healthy control ()
Cancer ()
Sex (male/female)
95/83
679/464
2.069
0.150
Age (years)
1.835
0.067
Type of work
8.363
0.137
Government staff
13 (7.3)
57 (5.0)
Enterprise manager
11 (6.2)
115 (10.1)
Mental worker
48 (27.0)
377 (33.0)
Manual worker
39 (21.9)
203 (17.8)
Peasantry
25 (14.0)
166 (14.5)
Others
42 (23.6)
225 (19.7)
Academic career
5.351
0.148
Junior school or below
22 (12.4)
190 (16.6)
High school or technical secondary school
74 (41.6)
404 (35.3)
Junior college
63 (35.4)
381 (33.3)
Bachelor degree or above
19 (10.7)
168 (14.7)
Hobby
Drinker
45 (25.3)
328 (28.7)
2.443
0.118
Smoker
67 (37.6)
521 (45.6)
3.618
0.057
TE levels
Cu (μmol/L)
14.98 (11.28, 18.20)
18.59 (14.32, 23.45)
8.647
<0.001
Zn (μmol/L)
17.09 (14.38, 21.59)
17.37 (13.18, 21.74)
0.472
0.637
Fe (μmol/L)
15.70 (13.34, 18.59)
14.72 (10.96, 18.87)
-2.218
0.027
Se (μmol/L)
1.47 (0.94, 1.98)
1.12 (0.83, 1.44)
-5.586
<0.001
OxS parameters
TOS (μmol/L H2O2)
14.56 (10.28, 18.02)
19.58 (15.11, 26.43)
10.667
<0.001
TAS (mmol/L Trolox)
1.59 (1.19, 1.92)
1.26 (0.91, 1.57)
-9.112
<0.001
OSI (arbitrary unit)
0.85 (0.65, 1.49)
1.59 (1.03, 2.68)
11.121
<0.001
Note: -test is used for age, Mann-Whitney test is used for TEs and OxS parameters, and Chi-squared test is used for other observed indexes. A little, each time does not exceed 20 ml, not exceeding 50 ml/day, and above 50 degrees of spirit. Occasionally, no more than 2 cigarettes in 4 hours and no more than 5 cigarettes/day.