Table 2.

Prevalence of Mild Cognitive Impairment Pre- and Post-Bariatric Surgery

		Baseline				12 months
Age (years)	Total n	# w/ MCI	# w/ MCI	χ2	p	# w/ MCI	% w/ MCI	χ2	p
18-29	6	2	33.3%			1	16.7%
30-39	25	14	56.0%			7	28.0%
40-49	24	13	54.2%			7	28.0%
50+	33	18	54.6%			9	27.3%
Total	88	47	53.4%	1.06	.79a	24b	27.3%	.39	.94a

MCI = mild cognitive impairment

^aPrevalence of MCI was not significantly different across age bands at either baseline or 12 month follow-up.

^bRates of MCI declined significantly from pre- to post-bariatric surgery [χ²(1) = 11.03, p = .001].