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. Author manuscript; available in PMC: 2021 Dec 1.
Published in final edited form as: Neurobiol Aging. 2020 Sep 8;96:184–196. doi: 10.1016/j.neurobiolaging.2020.09.007

Table 2.

Results of the 8 global graph-theoretic measures measured in the healthy control (HC) and the PPA groups.

HC (N=17) PPA (all variants, N=42) f-value nfvPPA (N=18) lvPPA (N=15) svPPA (N=9)
Characteristic path length (L) 2.27(0.12) 2.38(0.12)* 0.53 2.41(0.13) 2.36(0.10) 2.38(0.15)
Global efficiency (exclude inf) 0.56(0.02) 0.55(0.01) 0.07 0.55(0.01) 0.55(0.01) 0.55(0.02)
Global efficiency (include inf) 0.47(0.03) 0.47(0.02) 0.48 0.47(0.03) 0.47(0.02) 0.46(0.02)
Assortativity 0.23(0.08) 0.25(0.07) 1.14 0.25(0.07) 0.23(0.06) 0.27(0.10)
Mean clustering coefficient (CC) 0.51(0.02) 0.54(0.03)** 1.76 0.55(0.02) 0.53(0.02) 0.54(0.03)
Small-worldness 1.64(0.34) 1.77(0.27) 0.51 1.85(0.31) 1.75(0.24) 1.75(0.37)
Modularity(i) 0.32(0.04) 0.36(0.05)* 0.17 0.36(0.05) 0.36(0.04) 0.35(0.05)
Modularity(hc) 0.23(0.04) 0.23(0.04) 0.47 0.24(0.04) 0.22(0.04) 0.24(0.05)

Group means and standard deviation values are shown. Values for PPA groups (all variants combined) were compared to HC values with independent t-tests, and significant comparisons are indicated in bold (corrected p<0.05). The three variants were compared with one-way-ANOVAs comparing the three variants.

*:

p<0.05,

**:

p<0.01, Bonferroni corrected.