Table 2.

Degree and statistical comparisons among groups

Vertex	Degree			Main effect	p value from post-hoc
	Control	AD-MCI	ADD	H(2,125)	Controls versus AD-MCI	Controls versus ADD
Fp1	8 (0–26)	5 (0–26)	3 (0–26)	H = 4.93, p = 0.09	n.a.	n.a.
Fp2	7 (0–25)	4 (0–25)	3 (0–26)	H = 6.92, p = 0.03	n.s.	n.s.
F7	8 (1–34)	5 (0–25)	6 (0–27)	H = 7.42, p = 0.03	0.04	n.s.
F3	15 (1–35)	9 (0–29)	10 (1–27)	H = 4.47, p = 0.11	n.a.	n.a.
Fz	18 (7–33)	15 (3–30)	15 (2–29)	H = 7.40, p = 0.03	n.s.	n.s.
F4	14 (0–33)	9 (0–28)	9 (0–29)	H = 8.32, p = 0.02	n.s.	0.03
F8	10 (0–31)	4 (0–35)	6 (0–23)	H = 12.37, p = 0.002	0.003	0.02
T3	9 (0–30)	4 (0–25)	7 (0–26)	H = 11.46, p = 0.003	0.003	n.s.
C3	17 (2–31)	12 (2–29)	14 (2–28)	H = 4.45, p = 0.11	n.a.	n.a.
Cz	18 (8–31)	13 (5–31)	15 (4–33)	H = 10.66, p = 0.005	0.01	0.02
C4	18 (3–30)	13 (2–27)	14 (1–28)	H = 8.84, p = 0.01	0.02	n.s.
T4	10 (0–30)	6 (0–24)	5 (0–29)	H = 9.44, p = 0.009	0.01	n.s.
T5	9 (0–31)	4 (0–21)	4 (0–22)	H = 8.86, p = 0.01	0.03	0.04
P3	21 (4–32)	16 (0–31)	14 (3–27)	H = 13.04, p = 0.001	0.004	0.007
Pz	20 (8–34)	18 (6–30)	16 (6–33)	H = 8.90, p = 0.01	n.s.	0.01
P4	22 (11–33)	16 (4–32)	17 (1–28)	H = 13.39, p = 0.001	0.004	0.006
T6	9 (1–29)	4 (0–26)	4 (0–19)	H = 13.94, p = 0.001	0.002	0.01
O1	9 (1–29)	6 (2–22)	6 (0–22)	H = 9.14, p = 0.01	0.03	0.03
O2	9 (2–31)	7 (2–31)	7 (0–27)	H = 7.81, p = 0.02	0.04	n.s.

For each vertex, values are medians, with range printed between parentheses. Hub vertices for all groups are in bold. F3 is a hub for patients’ groups. For each vertex, main effect results and adjusted p values for multiple comparisons are shown for post-hoc analysis

ADD Alzheimer’s disease with dementia, AD-MCI mild cognitive impairment due to Alzheimer’s disease, n.a. not applicable following not significant main effect, n.s. not significant