. Author manuscript; available in PMC: 2016 Jun 16.

Published in final edited form as: Sci Transl Med. 2015 Jul 15;7(296):296ra112. doi: 10.1126/scitranslmed.aab4005

Table 1.

Frequencies of amino acids at site 173 of Env-gp70 differ in breakthrough infections in the presence of the DPB1*13 allele.

	Vaccine (n = 44)		Fisher’s P	Placebo (n = 66)		Fisher’s P
	DPB1*13⁺	DPB1*13⁻	Fisher’s P	DPB1*13⁺	DPB1*13⁻	Fisher’s P
H173	8	15	0.004	9	19	0.57
H173X^*	0	21	—	9	29	—

	*DPB113⁺ (n = 26)**			*DPB113⁻ (n = 84)**
	H173	H173X		H173	H173X

Vaccine	8	0	0.02	15	19	1.00
Placebo	9	9	—	21	29	—

X designates amino acid residues other than histidine (H) at position 173.