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Table 2 Statistics and mathematical model timing estimates of the most recent common ancestor (MRCA) of the infant’s HIV sequences detected at the time of postnatal HIV diagnosis

From: Clonal amplification and maternal-infant transmission of nevirapine-resistant HIV-1 variants in breast milk following single-dose nevirapine prophylaxis

HIV sequence

Total number of sequences

Maximum length of sequence

Maximum HD

Mean HD (%)

Poisson estimated days since MRCA (95% CI)

Lambda

Standard deviation

Goodness of fit p-value

HD fit to poisson

Star phylogeny

Env-only

22

2571

7

2.6

43 (32, 54)

2.628

0.334

0.987

Yes

Yes

3’-half

22

4682

10

4.3

38 (31, 46)

4.264

0.426

0.960

Yes

Yes

5’-half

21

5349

9

4.7

37 (30, 44)

4.657

0.447

0.225

Yes

Yes