Plasma Homocysteine Is Associated with Increased Oxidative Stress and Antioxidant Enzyme Activity in Welders

Table 1

Demographic and clinical characteristics of participants.

Characteristics	Welding exposure; (𝑛=57)	Nonexposure controls; (𝑛=42)
Age (y)	33.29±10.40	33.67±7.46
Gender (male/female)	46/11^a	9/33^b
Height (cm)	165.15±8.19	162.96±7.49
Weight (kg)	61.94±16.13	57.78±12.31
Body mass index (kg/m^2)	22.64±5.69	21.55±3.23
Duration of employment (yr)	1.99±2.03^a	3.64±3.83^b
Welding exposure time (hr/d)	7.54±3.14	—
Serum albumin (g/dL)	4.61±0.24^a	4.51±0.23^b
Serum hemoglobin (g/dL)	15.20±1.22^a	13.88±1.51^b
Serum creatinine (mg/dL)	0.92±0.16^a	0.81±0.16^b
Lipid profiles
Triglycerides (mg/dL)	86.58±55.91	72.07±36.17
Total cholesterol (mg/dL)	167.60±31.12	176.17±28.02
High-density lipoprotein (mg/dL)	60.18±12.97^a	67.69±14.54^b
Low-density lipoprotein (mg/dL)	101.70±29.14	102.95±23.94
Smoking (n, %)	23 (40.35%)^a	1 (2.38%)^b
Drinking (n, %)	6 (10.53%)^a	1 (2.38%)^b

Values are means ± SD.
Values with different superscript letter are significantly different between two groups; 𝑃<0.05.