Table 2

Distribution of human papillomavirus (HPV) types according to β globin PCR results

No. of samples positive by MY09/11, 450 bp HPV PCR
509 bp β globin PCRHPV-16HPV-31HPV-33HPV-58
Positive
Phenol/chloroform2000
Microwave6002
Qiagen spin column6003
Subtotal14005
Negative
Phenol/chloroform1101
Microwave1001
Qiagen spin column2011
Subtotal4113