Table 5. Correlation between serum tumor markers and nutrient intakes adjusted for age and BMI of the subjects.

Variables		Men (n = 23)			Women (n = 32)
		AFP	CEA	PSA	AFP	CEA	CA125
Energy		−0.2444	−0.5028*	0.2630	0.0348	−0.3416	0.0133
Protein		−0.2739	−0.4669*	0.1485	0.0377	−0.2843	0.0671
	Plant protein	−0.3163	−0.4360	−0.0025	−0.0281	−0.4506*	0.0317
	Animal protein	−0.1695	−0.4063	0.2900	0.0878	0.0115	0.0731
Lipid		−0.2193	−0.4740*	0.3143	−0.0676	−0.0644	0.1985
	Plant lipid	−0.2074	−0.4224	0.2884	−0.2277	−0.0634	0.0624
	Animal lipid	−0.0917	−0.2454	0.1475	0.0585	−0.0461	0.2303
Carbohydrate		−0.2184	−0.4680*	0.2252	0.0741	−0.4014*	−0.0694
Fiber		−0.3006	−0.3867	−0.1873	−0.0746	−0.4074*	0.1140
Ca		−0.2264	−0.3116	−0.1525	−0.1270	−0.4020*	0.0553
	Plant Ca	−0.3284	−0.2805	−0.1268	−0.0731	−0.3751	0.1294
	Animal Ca	−0.0378	−0.2353	−0.1263	−0.1127	−0.2262	−0.0397
P		−0.2386	−0.4256	0.0488	0.0080	−0.3591	0.0511
Fe		−0.3416	−0.3896	0.1184	0.0262	−0.4611*	0.2301
	Plant Fe	−0.3273	−0.3592	0.0474	0.0042	−0.4922†	0.1464
	Animal Fe	−0.1524	−0.2853	0.5784†	0.0808	−0.1125	0.3670
Na		−0.3104	−0.2838	0.1193	−0.0546	−0.3805	−0.0308
K		−0.2393	−0.3827	−0.1411	−0.1072	−0.3287	−0.0042
Zn		−0.2361	−0.5192*	0.0839	−0.0011	−0.3889*	0.0798
Vitamin A		−0.2079	−0.3704	−0.0793	0.0944	−0.2139	−0.1309
Vitamin B1		−0.2985	−0.1290	0.0157	−0.0110	−0.1151	0.0065
Vitamin B2		−0.2000	−0.1987	0.0174	0.0620	−0.2244	0.0126
Vitamin B6		−0.1607	−0.5319*	0.0406	0.1573	−0.4013*	0.0288
Niacin		−0.1857	−0.5304*	0.0606	0.1043	−0.3753	0.0970
Vitamin C		−0.1874	−0.2808	−0.2357	0.0154	−0.4383*	0.0221
Folate		−0.2977	−0.4647*	−0.1955	−0.0347	−0.4159*	0.0354
Vitamin E		−0.2344	−0.6233†	0.1622	−0.0878	−0.2208	0.0681
Cholesterol		−0.1728	−0.1849	0.5558*	0.1070	−0.0800	0.1512

BMI, body mass index; AFP, alpha-fetoprotein; CEA, carcinoembryonic antigen; PSA, prostate-specific antigen; CA125, cancer antigen 125.

^*p < 0.05, ^†p < 0.01; significance as determined by Pearson's correlation coefficient.