marginally significantP = 0.05
1 ; the infected brother showed more attrition compared to sham in 9 out of 11 pair-wise comparisons) and infected females also showed a marginally significant difference from controls (Z = −1.75, N = 10, P = 0.05; Fig. 1 ; the infected sister showed more attrition than sham in 4 out of 5 pair-wise comparisons).