Table 4.

Pairwise Comparison of Serum CRP Levels Between Healthy Individuals and Patients With Alzheimer’s Disease of Varying Severity.^a

Groups	Mean Difference (mg/L)	q	P Value
1, 2	0.66	1.78	.391
1, 3	−0.21	1.23	.429
1, 4	−13.70	4.11	.015
2, 3	−0.87	2.42	.107
2, 4	−14.36	4.23	.011
3, 4	−13.49	4.09	.015

Abbreviations: AD, Alzheimer’s disease; CRP, C-reactive protein; HC, healthy control.

^aGroup 1 represents HC group, group 2 is mild AD group, group 3 is moderate AD group, and group 4 is severe AD group. The pairwise comparison was performed for all permutations of the groups.