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. 2013 Jul 3;8(7):e67233. doi: 10.1371/journal.pone.0067233

Table 2. Proportions (% absence) of the Hld and occlusal groove pattern occurrence in the new Javanese fossil human dental sample compared to the figures from eleven extant and fossil human samples.

N Hld absence groove pattern
Y X +
original sample 10 50% 20.0% 50.0% 30.0%
comparative sample LM2s
HHRa 4 0.0% 100.0% 0.0% 0.0%
HEAa 5 0.0% 80.0% 0.0% 20.0%
HEGa 2 0.0% 50.0% 0.0% 50.0%
HAa 2 0.0% 100.0% 0.0% 0.0%
RHJb,c 3 0.0% 100.0% 0.0% 0.0%
HEJb,c,d 7 0.0% 71.4% 0.0% 28.6%
HECe 5 0.0% 80.0% 0.0% 20.0%
HHNAa 3 0.0% 50.0% 0.0% 50.0%
HHEa 28 21.4% 42.3% 15.4% 42.3%
NEAa 29 17.2% 67.9% 17.9% 14.3%
EHa 136 81.6% 27.1% 35.3% 37.6%
comparative sample LM3s
HHRa 3 0.0% 66.7% 0.0% 33.0%
HEAa 1 0.0% 100.0% 0.0% 0.0%
HEGa 1 0.0% 100.0% 0.0% 0.0%
HAa 1 0.0% 0.0% 100.0% 0.0%
RHJc 1 0.0% 0.0% 0.0% 100.0%
HEJb,c,d 5 0.0% 100.0% 0.0% 0.0%
HECe 4 50.0% 0.0% 25.0% 75.0%
HHNAa 4 0.0% 33.3% 0.0% 66.7%
HHEa 26 23.1% 23.8% 28.6% 52.4%
NEAa 23 30.4% 54.5% 31.8% 13.6%
EHa 81 55.0% 21.0% 53.2% 25.9%
a

[90],

b

[8],

c

[12],

d

[2],

e

[88].