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

Table 3

Comparison regarding sociodemographic characteristics from placebo and supplemented groups before supplementation.

	Placebo ()	Supplemented ()	value
Sociodemographic characteristics
Age (years) (mean ± SD)	65.6 ± 13.2	59.0 ± 14.9	0.0860^a
Sex (female), (%)	24 (70.6)	15 (57.7)	0.2994^b
Smoking, (%)	4 (11.8)	4 (15.4)	0.7172^c
Alcoholism, (%)	2 (5.9)	7 (26.9)	0.0323^c
Use of sunscreen, (% )	22 (64.7)	19 (73.1)	0.4987^b
Mean daily sunlight exposure (mean ± SD)	199.4 ± 130.2	155.8 ± 112.5	0.2450^a
Family history of cancer, (%)	24 (70.6)	18 (69.2)	0.9095^b
Race, (%)			0.5072^c
Caucasian	5 (14.7)	6 (23.1)
Non-Caucasian	29 (85.3)	20 (76.9)
Anthropometric parameters (mean ± SD)
BMI (kg/m^2)	27.0 ± 4.1	25.8 ± 3.2	0.3440^a
TSF (mm)	18.1 ± 7.4	17.5 ± 8.3	0.9100^a
MUAC (cm)	30.0 ± 4.7	30.2 ± 4.2	0.6710^a
MAMC (cm)	24.8 ± 4.0	24.1 ± 4.1	0.7670^a
Daily intake levels (mean ± SD)
Vitamin A (g)	705.3 ± 778.6	428.2 ± 232.4	0.8817^a
Vitamin C (mg)	55.7 ± 47.6	54.2 ± 46.5	0.7326^a
Vitamin E (mg)	9.0 ± 4.0	9.9 ± 9.3	0.6157^a
Cuprum (g)	950.0 ± 510.0	870.0 ± 280.0	0.0784^a
Zinc (g)	7.1 ± 4.4	5.8 ± 2.4	0.1321^a
Selenium (g)	79.8 ± 47.4	76.9 ± 21.5	0.1979^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.