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. 2003 Oct 13;100(22):12820–12824. doi: 10.1073/pnas.2235584100

Table 1. Numbers and sizes of major isotemporal clusters.

Isotemporal categories
Cluster numbers
Average cluster sizes
No. Z score P value Size Z score
000000 357 -6.2 <0.001 1.31 7.1
000001 272 -2.6 0.007 1.42 2.8
000011 264 -1.9 0.018 2.6 2.1
001111 46 -7.4 <0.001 2.13 10.9
110011 66 -4.1 <0.001 1.39 4.7
111111 199 -4.2 <0.001 1.67 4.9

Z scores and P values are calculated based on 1,000 isomorphic MS02 null models. A three-dimensional presentation of the isotemporal clusters is provided in Fig 6.