Table 2. Descriptive statistics of brain weights (grams) for various age groups (n = 394).

Age group (years)	Mean±SD	n (%)	Minimum	Maximum	Range
1-10	971.54±34.78	13 (3.30)	925	1032	107
11-20	1268.15±148.10	53 (13.45)	1003	1487	484
21-30	1371.66±118.67	76 (19.29)	1150	1588	438
31-40	1336.40±105.73	62 (15.74)	1110	1530	420
41-50	1317.53±112.35	55 (13.96)	1105	1502	397
51-60	1249.33±107.09	54 (13.71)	1065	1455	390
61-70	1196.67±97.72	39 (9.90)	1021	1375	354
71-80	1150.45±81.86	31 (7.86)	1015	1302	287
81-90	1121.13±85.46	8 (2.03)	1001	1246	245
>90	1048.00±99.54	3 (0.76)	955	1153	198