Table 1.
The Average Number of PGHs per Individual across Different Geographical Regions
| Group | Sample Size | PGH Mean | p Valuea | Simulation Mean |
|---|---|---|---|---|
| Khoesan | 12 | 498.9 | 0.0031 | – |
| Pygmy | 7 | 428 | <10−7 | – |
| West Afr. | 42 | 334 | <10−7 | 0.6–33.1 |
| East Afr. | 24 | 266.3 | 9.77 × 10−5 | – |
| North Afr. | 4 | 118.5 | 2.26 × 10−4 | – |
| Middle East | 19 | 68.2 | <10−6 | – |
| European | 75 | 53.6 | <10−7 | 0–26.9 |
| Melanesian | 66 | 42.6 | <10−7 | 0–26.5 |
| East Asian | 315 | 35.4 | – | 0–27.6 |
“PGH mean” shows the observed averages while “Simulation mean” shows the simulated averages under a demographic model proposed by Malaspinas et al.30 with a range of different recombination assumptions. See Material and Methods for details.
a
p value of a Mann-Whitney U test of whether the PGH values in the specified row are significantly larger than the PGH values in the row directly below.