Table 2. Sensitivity analysis.
Frequency and rate of different types of HIV transmission in a cohort of 42 individuals with primary HIV-1C infection: phylogeny and pairwise distance analysis is compared with ratio withinss to betweenss threshold values.
| Types of HIV transmission | Phylogeny & pairwise distances | Ratio withinss to betweenss threshold values | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.10 | 0.15 | 0.20 | 0.25 | 0.30 | ||||||||
| n | prop* | n | prop* | n | prop* | n | prop* | n | prop* | n | prop* | |
| Single founder virus | 33 | 0.79 (0.63–0.90) | 35 | 0.83 (0.67–0.93) | 34 | 0.81 (0.66–0.91) | 31 | 0.74 (0.60–0.86) | 28 | 0.67 (0.50–0.80) | 21 | 0.50 (0.34–0.66) |
| Multiple viral variants from the same source partner | 9 | 0.21 (0.10–0.37) | 7 | 0.17 (0.07–0.31) | 8 | 0.19 (0.09–0.34) | 11 | 0.26 (0.14–0.42) | 14 | 0.33 (0.20–0.50) | 20 | 0.48 (0.32–0.64) |
| HIV super-infection | 2 | 0.05 (0.01–0.17) | 2 | 0.05 (0.01–0.17) | 2 | 0.05 (0.01–0.17) | 2 | 0.05 (0.01–0.17) | 2 | 0.05 (0.01–0.17) | 2 | 0.05 (0.01–0.17) |
| Multiple HIV variants from the same source partner followed by a super-infection | 1 | 0.02 (0.001–0.14) | 1 | 0.02 (0.001–0.14) | 1 | 0.02 (0.001–0.14) | 1 | 0.02 (0.001–0.14) | 1 | 0.02 (0.001–0.14) | 1 | 0.02 (0.001–0.14) |
prop*: proportion (95% CI)