Table 2.

Comparison of the BCP/PC mutation occurrence between genotypes B and C

	Genotype B (n = 77)	Genotype C (n = 323)	P value
T1753V	4 (5%)	68 (21.1%)	<0.001
T1754G	5 (6%)	6 (2%)	0.025
A1762T	29 (37.7%)	201 (62.2%)	<0.001
G1764A	29 (37.7%)	210 (65.0%)	<0.001
C1766T	0	21 (6.5%)	–
T1768A	0	10 (3.1%)	–
G1896A	36 (46.7%)	102 (31.6%)	0.012
G1899A	7 (9%)	27 (8.4%)	0.836
Substitution/sample*	1.48	2.06	0.001

BCP, basal core promoter; PC, precore.

^*Represents average number of substitutions at the eight analyzed sites from the BCP/PC regions.