High 15-F_2t-Isoprostane Levels in Patients with a Previous History of Nonmelanoma Skin Cancer: The Effects of Supplementary Antioxidant Therapy

Table 2

Comparison regarding sociodemographic characteristics from comparison and case groups.

	Comparison ()	Case ()	value
Sociodemographic characteristics
Age (years) (mean ± SD)	56.7 ± 11.6	62.7 ± 14.2	0.0492^a
Sex (female), (%)	19 (79.2)	39 (65.0)	0.2045^b
Smoking, (%)	3 (12.5)	8 (13.3)	0.6645^c
Alcoholism, (%)	3 (12.5)	9 (15.0)	0.7307^c
Use of sunscreen, (%)	6 (25.0)	41 (68.3)	0.0003^b
Mean daily sunlight exposure (min) (mean ± SD)	35.0 ± 28.9	180.5 ± 123.7	<0.0001^a
Family history of cancer, (%)	4 (16.7)	42 (70.0)	<0.0001^b
Race, (%)			0.1377^b
Caucasian	8 (33.3)	11 (18.3)
Non-Caucasian	16 (66.7)	49 (81.7)
Anthropometric parameters (mean ± SD)
BMI (kg/m^2)	27.3 ± 3.5	26.5 ± 3.7	0.2710^a
TSF (mm)	20.2 ± 6.8	18.3 ± 7.8	0.1750^a
MUAC (cm)	30.9 ± 3.1	30.1 ± 4.5	0.1910^a
MAMC (cm)	24.6 ± 3.0	24.5 ± 4.0	0.7100^a
Daily intake levels (mean ± SD)
Vitamin A (g)	380.9 ± 197.1	558.0 ± 570.0	0.0015^a
Vitamin C (mg)	162.4 ± 419.3	57.9 ± 50.6	0.2223^a
Vitamin E (mg)	6.1 ± 14.2	9.6 ± 7.0	0.0018^a
Cuprum (g)	1040.0 ± 1009.0	800.0 ± 400.0	0.0331^a
Zinc (g)	10.1 ± 12.6	6.5 ± 3.6	0.0317^a
Selenium (g)	52.2 ± 44.5	76.2 ± 38.8	0.0285^a

= total of subjects/patients, SD = standard deviation, BMI = body mass index, TSF = triceps skinfold, MUAC = mid-upper-arm circumference, and MAMC = mid-arm muscle circumference. Statistical analysis: ^aMann-Whitney test; ^bChi-square test; ^cFisher’s exact test.