. Author manuscript; available in PMC: 2008 Jun 16.

Published in final edited form as: Med Image Comput Comput Assist Interv. 2005;8(Pt 1):383–391. doi: 10.1007/11566465_48

Table 1.

Average values of total intracranial, WM and GM volumes in normal adults Agegroups 1–5 represent ages 20–29-…-60+ respectively, SD = Standard Deviation, % is the percentage among Total Intracranial Volume

Sex and Age Group	Total Intracranial Volume (cm³±SD)	WM (cm³±SD)	WM (%±SD)	GM (cm³±SD)	GM (%±SD)
Both sex	1430±136	530±83	36.98±3.32	710±68	49.75±2.97
Agegroup1	1474±121	508±56	34.38±1.46	782±50	53.13±1.67
Agegroup2	1386 ±92	513 ±67	36.97±4.05	699±52	50.52±2.80
Agegroup3	1426 ±161	517 ±80	36.11±1.95	705±68	49.58±1.73
Agegroup4	1407 ±116	532 ±63	37.78±2.88	689±70	48.94±1.70
Agegroup5	1457 ±180	583±124	39.66±3.49	675±53	46.57±2.45

All Females	1341±100	488±65	36.28±3.31	672±59	50.12±3.04
Agegroup1	1387±77	472±50	33.94±1.72	751±39	54.15±1.52
Agegroup2	1326±88	498±79	37.51±5.20	665±48	50.26±3.43
Agegroup3	1310±120	461±67	35.04±2.03	650±45	49.77±2.08
Agegroup4	1326±82	496±63	37.37±3.70	644±47	48.59±1.97
Agegroup5	1358±144	512±78	37.54±1.92	648±54	47.83±1.83

All Males	1519±106	573±77	37.68±3.24	749±54	49.37±2.90
Agegroup1	1562±88	544±35	34.82±1.16	813±41	52.12±1.17
Agegroup2	1445±48	527±58	36.43±3.02	733±29	50.79±2.40
Agegroup3	1542±99	573±43	37.18±1.23	760±26	49.38±1.53
Agegroup4	1488±86	568±42	38.19±2.15	734±61	49.28±1.53
Agegroup5	1556±167	654±126	41.78±3.53	702±39	45.31±2.50