Table 2. Summary of pre-S deletion regions in 75 HBV-related HCC patients.

Summary of Pre-S Deletion Regionsa	No. of Patients
Total patients (n) (%)	75 (100)
Patients without pre-S del (n) (%)	29 (39)
Patients with pre-S del (n) (%)	46 (83)
Patients with pre-S1 del (nt 2854–2970) (n) (%)	10 (13)
Patients with pre-S1 del (nt 2854–3021) (n) (%)	2 (3)
Patients with pre-S1 del (nt 2855–2872) (n) (%)	5 (7)
Patients with pre-S1 del (nt 2858–2986) (n) (%)	2 (3)
Patients with pre-S1 del (nt 2910–3089) (n) (%)	2 (3)
Patients with pre-S2 del (nt 1–54) (n) (%)	17 (23)
Patients with pre-S2 del (nt 1–57) (n) (%)	3 (4)
Patients with pre-S1+pre-S2 del (nt 2855–2872, 1–54) (n) (%)	12 (16)

^aOnly the pre-S deletion regions found in at least 2 of 75 patients were shown.

Abbreviations: n, number; del, deletion; nt, nucleotide.