Table 1. Comparison of the reactivity with peptide NTM1 of sera from cancer patients, athletes and healthy control subjects.

Tested population	Number of subjects	Gender	O.D. (mean)	O.D. (± s.d.)
Cancer patients
Breast cancer	15	F	0.021	0.011
Prostate cancer	17	M	0.022	0.014
Athletes
Swimming	7	F	0.269	0.074
Water polo	8	F	0.171	0.105
Volleyball	13	F	0.104	0.033
Rowing	8	M	0.131	0.046
Wrestling	9	M	0.106	0.054
Karate	9	M	0.108	0.020
Controls
	17	F	0.041	0.025
	17	M	0.046	0.016