a trend towards significancep = 0.056
2 out of 6, respectively) with a trend towards significance (p = 0.056, Perason's chi-square test).
2 out of 6, respectively) with a trend towards significance (p = 0.056, Perason's chi-square test).
Transmitting mothers carried more often viruses able to use both CCR5 and CXCR4 as coreceptors than non transmitting mothers, 29% (7 out of 24) and 8% (3 out of 35), respectively, but this difference did not reach statistical significance (p = 0.074, Fisher's Exact Test) ( Figure 2 ).