Table 3. Summary of the pre-S genotyping results by NGS-based analysis in 30 HBV-related HCC patients.

Summary of The Pre-S Genotyping Results	NGS-Based Analysis
Total patients (n) (%)	30 (100)
Patients without pre-S del (n) (%)	5 (17)
Patients with pre-S del (n) (%)	25 (83)
Patients with only pre-S1 del (n) (%)	4 (13)
Patients with only pre-S2 del (n) (%)	7 (23)
Patients with only pre-S1+pre-S2 del (n) (%)	0 (0)
Patients with both pre-S1 and pre-S2 del (n) (%)	3 (10)
Patients with both pre-S1 and pre-S1+pre-S2 del (n) (%)	1 (3)
Patients with both pre-S2 and pre-S1+pre-S2 del (n) (%)	0 (0)
Patients with all three types of pre-S del (n) (%)	10 (34)
Patients with deletion spanning pre-S1 gene segment (n) (%)	18 (60)
Patients with deletion spanning pre-S2 gene segment (n) (%)	21 (70)

Abbreviations: NGS, next-generation sequencing; n, number; del, deletion.