Table 1.

Vitamin D‐deficient MCI patients have significantly lower scores on cognitive tests than do MCI patients who are not vitamin D deficient

	Deficient (n = 27)		Not‐deficient (n = 29)
	Mean	Std error	Mean	Std error	p value
25‐OHD	8.00	.39	21.61	1.28	<.0001
MMSE	20.15	1.17	23.86	.85	.011a
Clinical Dementia Rating Scale	.80	.10	.52	.05	.015a
Clinical Dementia Rating Scale Sum of Boxes	4.15	.65	2.12	.31	.006a
Geriatric Depression Scaleb	11.22	1.34	9.08	1.40	.28
Global Deterioration Scale	4.15	.19	3.41	.14	.003a
Physical Activity	n (%)		n (%)
0	13 (48.1)		11 (37.9)
1	14 (51.9)		14 (51.9)
2	0 (0)		4 (13.8)

^aIndicates significance.

^bData available for a subset of patients, deficient (n = 23) and not‐deficient (n = 26).