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. 2017 Aug 1;13(4):340–350. doi: 10.3988/jcn.2017.13.4.340

Table 4. Graph-theory measures and summary of statistical comparisons among sleep stages within each group.

Awake N1 N2 N3 REM p Post hoc
Small-worldness index
 Control 1.14±0.16 1.21±0.15 1.29±0.19 1.37±0.22 1.19±0.16 0.011 [N2>W]†, [N3>W]*
 RLS baseline 1.20±0.17 1.21±0.19 1.24±0.25 1.26±0.22 1.22±0.17 0.915
 RLS follow-up 1.15±0.24 1.25±0.20 1.41±0.21 1.45±0.18 1.23±0.19 0.005 [N3>W]*, [N2>REM]*
Normalized clustering coefficient
 Control 1.18±0.18 1.25±0.17 1.34±0.22 1.44±0.24 1.23±0.17 0.006 [N2>W]†, [N3>W]†
 RLS baseline 1.25±0.18 1.24±0.21 1.31±0.29 1.32±0.26 1.27±0.17 0.937
 RLS follow-up 1.18±0.24 1.27±0.23 1.47±0.23 1.53±0.22 1.27±0.20 0.004 [N2>W]*, [N3>W]*, [N3>N1]*, [N2>REM]*
Normalized characteristic path length
 Control 1.03±0.03 1.03±0.02 1.04±0.02 1.05±0.03 1.03±0.02 0.239
 RLS baseline 1.04±0.03 1.03±0.02 1.05±0.04 1.04±0.04 1.05±0.03 0.828
 RLS follow-up 1.03±0.05 1.02±0.02 1.04±0.03 1.05±0.03 1.03±0.02 0.070

Data are mean±standard deviation values.

*p<0.05 and †p<0.01, respectively, in Wilcoxon signed-rank tests with Bonferroni correction.

REM: rapid eye movement, RLS: restless legs syndrome, W: awake.