Table 2.

Pairwise comparisons of transmission efficiency estimates by concentration group

Concentration groups compared	Difference (95% CI) between transmission efficiency estimates
109 vs. 108	12.2 (−7.1, 83.9)
109 vs. 107 a	17.4 (2.7, 86.6)
109 vs. 106 a	18.5 (5.0, 47.1)
109 vs. 105 a	18.5 (4.5, 47.1)
109 vs. 104 a	18.5 (4.9, 47.1)
108 vs. 107	5.2 (−4.9, 19.6)
108 vs. 106	6.3 (−2.2, 25.0)
108 vs. 105	6.3 (−3.2, 25.0)
108 vs. 104	6.3 (−2.3, 25.0)
108 vs. 103	6.3 (−17.8, 25.0)
107 vs. 106	1.1 (−6.1, 17.8)
107 vs. 105	1.1 (−7.2, 17.8)
107 vs. 104	1.1 (−6.1, 17.8)
107 vs. 103	1.1 (−22.7, 17.8)
106 vs. 105	0.0 (−11.0, 9.4)
106 vs. 104	0.0 (−9.5, 9.4)
106 vs. 103	0.0 (−28.6, 9.4)
105 vs. 104	0.0 (−9.5, 11.0)
105 vs. 103	0.0 (−28.6, 11.0)
104 vs. 103	0.0 (−28.6, 9.5)

^aTransmission efficiency between groups is significantly different when CI does not include zero (α=0.05 with Bonferroni correction).