Table 2

Comparison of mean levels (μmol/l) of plasma carotinoids, retinol, and tocopherols in prostate cancer cases with controls

CasesControlsP (t-test)
MeanSDMeanSD
Lycopene0.2230.12260.3070.19250.0003
Zeaxanthin0.0480.03510.0650.04550.0040
α-Carotene0.0970.18160.0860.09370.6425
β-Carotene0.3610.47860.2670.24360.1422
Lutein0.1310.10670.1580.10840.0915
β-Cryptoxanthin0.0810.05650.1070.10470.0233
Retinol1.3130.47781.5210.78040.0221
α-Tocopherol20.028.417320.1712.0320.9181
γ-Tocopherol2.5021.65583.3432.47830.0053