Table 1.

Demographic features of lumbar puncture (LP) participants who did or did not complete the pre- and post-LP surveys.

	Completed survey (n = 86)	Did not complete survey (n = 42)	p
African American (%)	48 (55%)	11 (26%)	0.001
Male (%)	40 (46%)	18 (43%)	0.421
Diagnosis			0.575
Normal cognition	38 (44%)	15 (36%)
MCI	31 (36%)	19 (45%)
AD dementia	17 (20%)	8 (19%)
Age			0.734
55–64	20 (23%)	10 (24%)
65–74	40 (47%)	23 (55%)
75–84	24 (28%)	8 (19%)
>84	2 (2%)	1 (2%)
Education			0.162
High School or less	13 (15%)	11 (26%)
Associate’s degree	10 (12%)	5 (12%)
Bachelor’s degree	22 (25%)	15 (36%)
Master’s degree or higher	41 (48%)	11 (26%)