Table 2. Distribution of external auditory exostosis grades among middle and late Pleistocene eastern Eurasian archaic [without and with Xuchang (XUC) and Xujiayao (XJY)] and early modern humans.

Paleopathological details are in the text and S1 Text.

	Grade 0	Grade 1	Grade 2	Grade 3	N
Eastern archaic humans	46.7%	46.7%	6.7%	—	15
Eastern archaics plus XUC & XJY	38.9%	44.4%	11.1%	5.6%	18
Eastern early modern humans	41.7%	50.0%	8.3%	—	12