Table 1 Comparison of properties of k-plex core members with those of different types of 1-peripheries.

k-plex core

0.2366

0.0770

0.4761

1.9968

Multiple-core peripheries

0.1293

0.0970

0.3082

1.7612

Complete open peripheries

0.1145

0.0885

0.3077

1.8018

Limited open peripheries

0.1646

0.1047

0.2377

1.5254

Closed peripheries

0.1222

0.1094

0.1930

1.4875

P value (core vs. complete open)

2.03E-14

0.0319

1.88E-6

1.26E-1

P value (core vs. limited open)

2.16E-5

2.19E-4

1.12E-11

8.12E-6

P value (core vs. closed)

3.52E-9

1.63E-8

3.62E-22

7.56E-7

P value (core vs. multiple)

1.09E-23

1.97E-4

3.79E-9

2.28E-2