TABLE 2.
Time of MRCA for the isolates in each clade estimated using BEAST analysis
| Summary statistic | Mean time of MRCAa | 95% HPD intervalb | Mean SE | SD | ESSc |
|---|---|---|---|---|---|
| Age(root) | 1934 | 1907.3, 1955.4 | 0.32 | 12.55 | 1,539 |
| Age(cladeA) | 1998 | 1991.8, 2004.0 | 0.06 | 3.22 | 3,212 |
| Age(A-M1) | 2007 | 2004.7, 2008.6 | 0.02 | 1.03 | 3,194 |
| Age(A-M4) | 2011 | 2009.2, 2012.5 | 0.01 | 0.89 | 3,956 |
| Age(cladeB) | 1981 | 1970.2, 1991.4 | 0.12 | 5.55 | 1,983 |
| Age(B1) | 2008 | 2004.1, 2011.1 | 0.03 | 1.88 | 4,796 |
| Age(B2/B3) | 1994 | 1987.0, 2000.6 | 0.07 | 3.56 | 2,294 |
| Age(B2) | 1999 | 1993.7, 2004.5 | 0.05 | 2.83 | 2,708 |
| Age(B3) | 2004 | 1999.9, 2007.2 | 0.04 | 1.93 | 2,173 |
a
MRCA, most recent common ancestor.
b
HPD, highest posterior density interval for the divergence time.
c
ESS, effective sample size.