Table 1 Demographic and clinical characteristics of ADNI participants.

From: Genome-wide association analysis of hippocampal volume identifies enrichment of neurogenesis-related pathways

  CN SMC EMCI LMCI AD
N 367 94 280 512 310
Age (SD) 74.59 (5.57) 71.77 (5.65) 71.14 (7.26) 73.52 (7.65) 74.65 (7.79)
Sex
(M/F)
192/175 38/56 158/122 318/194 176/134
Education (SD) 16.32 (2.68) 16.81 (2.57) 16.08 (2.67) 15.97 (2.91) 15.23 (2.97)
APOE
(ε4−/ε4+)
267/99 62/32 160/119 232/280 104/206
MMSE (SD) 29.07 (1.11) 29.06 (1.16) 28.34 (1.56) 27.24 (1.79) 23.26 (2.04)
Composite score for memory (SD) 0.93 (0.532) 0.94 (0.46) 0.52 (0.49) −0.04 (0.58) −0.77 (0.53)
Intracranial volume (SD) 1523924
(155259)
1466989
(150559)
1513733
(151765)
1560894
(167738)
1535767
(180536)
Hippocampal volume (SD) 3612.7
(463)
3796
(471)
3633.5
(510)
3163.3
(564)
2840.4
(509)