Research Article

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)95/83679/4642.0690.150
Age (years)1.8350.067
Type of work8.3630.137
 Government staff13 (7.3)57 (5.0)
 Enterprise manager11 (6.2)115 (10.1)
 Mental worker48 (27.0)377 (33.0)
 Manual worker39 (21.9)203 (17.8)
 Peasantry25 (14.0)166 (14.5)
 Others42 (23.6)225 (19.7)
Academic career5.3510.148
 Junior school or below22 (12.4)190 (16.6)
 High school or technical secondary school74 (41.6)404 (35.3)
 Junior college63 (35.4)381 (33.3)
 Bachelor degree or above19 (10.7)168 (14.7)
Hobby
 Drinker45 (25.3)328 (28.7)2.4430.118
 Smoker67 (37.6)521 (45.6)3.6180.057
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)0.4720.637
 Fe (μmol/L)15.70 (13.34, 18.59)14.72 (10.96, 18.87)-2.2180.027
 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.