Table 5. Estimated Substitution Rates and Dates for Transmission Clusters.
| Bayesian Coalescent* | ||
| Region | Rate of evolution | tMRCA |
| North China | ||
| Cluster 1 | 2.31×10−3 | 1992.7(1989.5–1995.9) |
| Cluster 4 | 3.17×10−3 | 1998.8(1998.1–1999.5) |
| Northeast China | ||
| Cluster 1 | 2.46×10−3 | 2003.8(2003.3–2004.3) |
| Cluster 4 | 3.29×10−3 | 1995.3(1995.1–1995.5) |
| East China | ||
| Cluster 1 | 2.89×10−3 | 1990.9(1987.9–1993.9) |
| South Central China | ||
| Cluster 1 | 2.56×10−3 | 1998.8(1997.2–1999.4) |
| Cluster 2 | 3.34×10−3 | 1998.0(1996.0–2000.0) |
| Cluster 3 | 2.86×10−3 | 1997.9(1996.12–1998.7) |
| Southwest China | ||
| Cluster 1 | 2.77×10−3 | 1992.3(1990.3–1994.3) |
*
Estimates of the mean evolutionary rate (μ, substitutions.site−1.year−1) and the median time of the most recent common ancestor (tMRCA) for the different clusters (95% high posterior density in parentheses).