From: Comparison of human papillomavirus detection between freshly frozen tissue and paraffin embedded tissue of invasive cervical cancer
Paraffin block
Total
Positive
Negative
N
%a
Fresh tissue
141
82.5b
13
7.6
154
90.1
11
6.4
6
3.5b
17
9.9
152
88.9
19
11.1
171
100