Table 2.

Details of all parameters.

	HPV positive (n = 16)	HPV negative (n = 15)	P value
APT mean	2.65 ± 0.48	2.68 ± 0.43	0.82
APT SD	1.15 ± 0.24	1.3 ± 0.25	0.11
APT CV	0.43 ± 0.04	0.48 ± 0.04	0.004

Data are mean ± standard deviation.

APT = amide proton transfer, SD = standard deviation, CV = coefficient of variation, HPV = human papillomavirus.