Brain to body weight data with Standard Deviation (SD) and Standard Error of Measurements (SEM) for correction of standard body model glia and neuron tissue abundance for ages 0-85, interpolated from data collected from 2,603 males and 1,848 females.
Male |
||||||
Brain Weight (kg) |
Body Weight (kg) |
|||||
Age |
Mean |
SD |
SEM |
Mean |
SD |
SEM |
0 |
0.38 |
0.09 |
0.00 |
2.95 |
0.47 |
0.03 |
(2 mo) |
0.47 |
0.11 |
0.00 |
3.93 |
1.33 |
0.13 |
1 |
0.97 |
0.16 |
0.02 |
9.47 |
2.37 |
0.41 |
2 |
1.12 |
0.20 |
0.02 |
13.20 |
3.57 |
0.49 |
3 |
1.27 |
0.21 |
0.04 |
15.55 |
3.43 |
0.78 |
4 |
1.29 |
0.12 |
0.02 |
17.51 |
2.32 |
0.50 |
5 |
1.30 |
0.02 |
0.00 |
19.46 |
1.21 |
0.22 |
6 |
1.32 |
0.02 |
0.00 |
21.20 |
1.53 |
0.27 |
7 |
1.33 |
0.01 |
0.00 |
22.94 |
1.85 |
0.31 |
8 |
1.35 |
0.02 |
0.00 |
25.21 |
1.98 |
0.37 |
9 |
1.37 |
0.02 |
0.00 |
27.48 |
2.11 |
0.42 |
10 |
1.40 |
0.02 |
0.00 |
32.27 |
3.47 |
0.78 |
11 |
1.43 |
0.01 |
0.00 |
37.06 |
4.83 |
1.15 |
12 |
1.44 |
0.01 |
0.00 |
41.64 |
5.22 |
1.23 |
13 |
1.43 |
0.01 |
0.00 |
46.02 |
4.63 |
1.02 |
14 |
1.42 |
0.01 |
0.00 |
50.39 |
4.04 |
0.81 |
15 |
1.42 |
0.01 |
0.00 |
54.91 |
3.85 |
0.71 |
16 |
1.43 |
0.02 |
0.00 |
59.58 |
4.04 |
0.71 |
17 |
1.44 |
0.03 |
0.00 |
64.25 |
4.23 |
0.71 |
18 |
1.44 |
0.03 |
0.00 |
66.91 |
4.03 |
0.64 |
19 |
1.45 |
0.03 |
0.00 |
67.58 |
3.43 |
0.51 |
20 |
1.45 |
0.02 |
0.00 |
68.25 |
2.83 |
0.38 |
21 |
1.45 |
0.02 |
0.00 |
68.52 |
2.55 |
0.30 |
22 |
1.45 |
0.02 |
0.00 |
68.39 |
2.60 |
0.29 |
23 |
1.45 |
0.02 |
0.00 |
68.26 |
2.65 |
0.28 |
24 |
1.44 |
0.02 |
0.00 |
68.14 |
2.70 |
0.26 |
25 |
1.44 |
0.02 |
0.00 |
68.01 |
2.75 |
0.25 |
26 |
1.44 |
0.02 |
0.00 |
67.88 |
2.80 |
0.24 |
27 |
1.44 |
0.02 |
0.00 |
68.04 |
2.92 |
0.24 |
28 |
1.44 |
0.02 |
0.00 |
68.47 |
3.12 |
0.25 |
29 |
1.44 |
0.02 |
0.00 |
68.91 |
3.32 |
0.26 |
30 |
1.44 |
0.02 |
0.00 |
69.34 |
3.52 |
0.27 |
31 |
1.44 |
0.02 |
0.00 |
69.78 |
3.72 |
0.28 |
32 |
1.44 |
0.02 |
0.00 |
70.21 |
3.91 |
0.29 |
33 |
1.44 |
0.02 |
0.00 |
70.65 |
4.11 |
0.30 |
34 |
1.44 |
0.02 |
0.00 |
71.08 |
4.31 |
0.31 |
35 |
1.44 |
0.02 |
0.00 |
71.52 |
4.51 |
0.32 |
36 |
1.44 |
0.02 |
0.00 |
71.95 |
4.71 |
0.33 |
37 |
1.44 |
0.02 |
0.00 |
72.10 |
4.48 |
0.31 |
38 |
1.44 |
0.02 |
0.00 |
72.26 |
4.25 |
0.29 |
39 |
1.44 |
0.02 |
0.00 |
72.41 |
4.02 |
0.27 |
40 |
1.44 |
0.02 |
0.00 |
72.56 |
3.79 |
0.25 |
41 |
1.44 |
0.02 |
0.00 |
72.72 |
3.56 |
0.23 |
42 |
1.43 |
0.02 |
0.00 |
72.87 |
3.33 |
0.20 |
43 |
1.43 |
0.02 |
0.00 |
73.02 |
3.10 |
0.18 |
44 |
1.43 |
0.02 |
0.00 |
73.17 |
2.87 |
0.16 |
45 |
1.43 |
0.02 |
0.00 |
73.33 |
2.64 |
0.14 |
46 |
1.43 |
0.02 |
0.00 |
73.48 |
2.41 |
0.12 |
47 |
1.43 |
0.02 |
0.00 |
73.45 |
2.28 |
0.12 |
48 |
1.42 |
0.02 |
0.00 |
73.43 |
2.16 |
0.11 |
49 |
1.42 |
0.02 |
0.00 |
73.40 |
2.03 |
0.11 |
50 |
1.42 |
0.01 |
0.00 |
73.37 |
1.91 |
0.11 |
51 |
1.42 |
0.01 |
0.00 |
73.35 |
1.78 |
0.11 |
52 |
1.41 |
0.01 |
0.00 |
73.32 |
1.66 |
0.10 |
53 |
1.41 |
0.01 |
0.00 |
73.29 |
1.53 |
0.10 |
54 |
1.41 |
0.01 |
0.00 |
73.00 |
1.50 |
0.10 |
55 |
1.40 |
0.01 |
0.00 |
72.45 |
1.55 |
0.10 |
56 |
1.39 |
0.02 |
0.00 |
71.90 |
1.61 |
0.11 |
57 |
1.38 |
0.02 |
0.00 |
71.35 |
1.66 |
0.11 |
58 |
1.37 |
0.02 |
0.00 |
70.80 |
1.71 |
0.11 |
59 |
1.37 |
0.02 |
0.00 |
70.59 |
1.65 |
0.10 |
60 |
1.37 |
0.02 |
0.00 |
70.74 |
1.48 |
0.09 |
61 |
1.37 |
0.02 |
0.00 |
70.88 |
1.31 |
0.08 |
62 |
1.37 |
0.01 |
0.00 |
71.02 |
1.14 |
0.07 |
63 |
1.37 |
0.01 |
0.00 |
71.17 |
0.97 |
0.06 |
64 |
1.37 |
0.01 |
0.00 |
71.33 |
0.91 |
0.05 |
65 |
1.37 |
0.01 |
0.00 |
71.51 |
0.96 |
0.06 |
66 |
1.37 |
0.01 |
0.00 |
71.70 |
1.01 |
0.07 |
67 |
1.36 |
0.01 |
0.00 |
71.88 |
1.06 |
0.07 |
68 |
1.36 |
0.01 |
0.00 |
72.06 |
1.11 |
0.08 |
69 |
1.36 |
0.01 |
0.00 |
71.80 |
1.21 |
0.09 |
70 |
1.36 |
0.01 |
0.00 |
71.11 |
1.36 |
0.10 |
71 |
1.36 |
0.02 |
0.00 |
70.42 |
1.52 |
0.12 |
72 |
1.35 |
0.02 |
0.00 |
69.73 |
1.68 |
0.13 |
73 |
1.35 |
0.02 |
0.00 |
69.04 |
1.83 |
0.14 |
74 |
1.35 |
0.02 |
0.00 |
68.68 |
1.91 |
0.15 |
75 |
1.34 |
0.02 |
0.00 |
68.65 |
1.92 |
0.16 |
76 |
1.34 |
0.02 |
0.00 |
68.63 |
1.92 |
0.17 |
77 |
1.34 |
0.02 |
0.00 |
68.60 |
1.92 |
0.18 |
78 |
1.33 |
0.02 |
0.00 |
68.57 |
1.93 |
0.19 |
79 |
1.33 |
0.02 |
0.00 |
68.41 |
2.12 |
0.22 |
80 |
1.32 |
0.02 |
0.00 |
68.10 |
2.49 |
0.28 |
81 |
1.32 |
0.02 |
0.00 |
67.79 |
2.86 |
0.34 |
82 |
1.32 |
0.01 |
0.00 |
67.48 |
3.23 |
0.40 |
83 |
1.31 |
0.01 |
0.00 |
67.17 |
3.60 |
0.46 |
84 |
1.31 |
0.02 |
0.00 |
66.54 |
4.58 |
0.62 |
85 |
1.30 |
0.05 |
0.01 |
65.61 |
6.19 |
0.88 |
Female |
||||||
Brain Weight (kg) |
Body Weight (kg) |
|||||
Age |
Mean |
SD |
SEM |
Mean |
SD |
SEM |
0 |
0.36 |
0.08 |
0.00 |
2.88 |
0.46 |
0.03 |
(2 mo) |
0.43 |
0.09 |
0.00 |
3.56 |
0.89 |
0.09 |
1 |
0.94 |
0.12 |
0.02 |
8.89 |
1.97 |
0.34 |
2 |
1.04 |
0.13 |
0.02 |
11.58 |
2.92 |
0.50 |
3 |
1.09 |
0.23 |
0.04 |
14.10 |
2.93 |
0.57 |
4 |
1.12 |
0.15 |
0.03 |
16.17 |
2.48 |
0.48 |
5 |
1.15 |
0.07 |
0.01 |
18.23 |
2.02 |
0.39 |
6 |
1.18 |
0.05 |
0.01 |
19.76 |
1.47 |
0.27 |
7 |
1.21 |
0.03 |
0.00 |
21.28 |
0.92 |
0.15 |
8 |
1.20 |
0.03 |
0.00 |
23.66 |
1.72 |
0.39 |
9 |
1.18 |
0.03 |
0.00 |
26.04 |
2.51 |
0.63 |
10 |
1.21 |
0.03 |
0.00 |
31.37 |
2.75 |
0.68 |
11 |
1.24 |
0.04 |
0.01 |
36.70 |
3.00 |
0.73 |
12 |
1.26 |
0.04 |
0.01 |
40.27 |
3.12 |
0.76 |
13 |
1.27 |
0.04 |
0.01 |
42.07 |
3.11 |
0.79 |
14 |
1.28 |
0.04 |
0.01 |
43.87 |
3.10 |
0.82 |
15 |
1.29 |
0.04 |
0.01 |
45.63 |
3.13 |
0.83 |
16 |
1.31 |
0.04 |
0.01 |
47.36 |
3.18 |
0.84 |
17 |
1.33 |
0.04 |
0.01 |
49.09 |
3.23 |
0.84 |
18 |
1.34 |
0.04 |
0.01 |
50.14 |
3.37 |
0.86 |
19 |
1.33 |
0.05 |
0.01 |
50.53 |
3.59 |
0.90 |
20 |
1.32 |
0.05 |
0.01 |
50.92 |
3.81 |
0.93 |
21 |
1.31 |
0.05 |
0.01 |
51.41 |
3.95 |
0.91 |
22 |
1.31 |
0.04 |
0.01 |
52.00 |
4.00 |
0.83 |
23 |
1.31 |
0.03 |
0.01 |
52.60 |
4.05 |
0.75 |
24 |
1.30 |
0.03 |
0.00 |
53.19 |
4.11 |
0.68 |
25 |
1.30 |
0.02 |
0.00 |
53.79 |
4.16 |
0.60 |
26 |
1.30 |
0.01 |
0.00 |
54.38 |
4.21 |
0.52 |
27 |
1.30 |
0.01 |
0.00 |
54.82 |
4.23 |
0.47 |
28 |
1.30 |
0.01 |
0.00 |
55.09 |
4.21 |
0.46 |
29 |
1.30 |
0.02 |
0.00 |
55.36 |
4.19 |
0.44 |
30 |
1.30 |
0.02 |
0.00 |
55.64 |
4.17 |
0.43 |
31 |
1.30 |
0.02 |
0.00 |
55.91 |
4.15 |
0.41 |
32 |
1.29 |
0.02 |
0.00 |
56.19 |
4.12 |
0.40 |
33 |
1.29 |
0.02 |
0.00 |
56.46 |
4.10 |
0.38 |
34 |
1.29 |
0.03 |
0.00 |
56.73 |
4.08 |
0.37 |
35 |
1.29 |
0.03 |
0.00 |
57.01 |
4.06 |
0.35 |
36 |
1.29 |
0.03 |
0.00 |
57.28 |
4.04 |
0.34 |
37 |
1.29 |
0.03 |
0.00 |
57.12 |
3.89 |
0.32 |
38 |
1.29 |
0.03 |
0.00 |
56.95 |
3.74 |
0.30 |
39 |
1.29 |
0.03 |
0.00 |
56.79 |
3.60 |
0.28 |
40 |
1.29 |
0.03 |
0.00 |
56.62 |
3.45 |
0.26 |
41 |
1.29 |
0.03 |
0.00 |
56.46 |
3.30 |
0.25 |
42 |
1.29 |
0.02 |
0.00 |
56.30 |
3.15 |
0.23 |
43 |
1.29 |
0.02 |
0.00 |
56.13 |
3.00 |
0.21 |
44 |
1.29 |
0.02 |
0.00 |
55.97 |
2.86 |
0.19 |
45 |
1.29 |
0.02 |
0.00 |
55.80 |
2.71 |
0.17 |
46 |
1.29 |
0.02 |
0.00 |
55.64 |
2.56 |
0.15 |
47 |
1.29 |
0.02 |
0.00 |
56.17 |
2.52 |
0.16 |
48 |
1.29 |
0.02 |
0.00 |
56.69 |
2.47 |
0.16 |
49 |
1.29 |
0.02 |
0.00 |
57.22 |
2.43 |
0.17 |
50 |
1.28 |
0.02 |
0.00 |
57.74 |
2.39 |
0.17 |
51 |
1.28 |
0.02 |
0.00 |
58.27 |
2.35 |
0.18 |
52 |
1.28 |
0.02 |
0.00 |
58.79 |
2.30 |
0.18 |
53 |
1.28 |
0.02 |
0.00 |
59.32 |
2.26 |
0.19 |
54 |
1.28 |
0.02 |
0.00 |
59.65 |
2.38 |
0.20 |
55 |
1.27 |
0.02 |
0.00 |
59.80 |
2.66 |
0.22 |
56 |
1.27 |
0.02 |
0.00 |
59.95 |
2.94 |
0.24 |
57 |
1.26 |
0.02 |
0.00 |
60.10 |
3.21 |
0.26 |
58 |
1.25 |
0.02 |
0.00 |
60.25 |
3.49 |
0.28 |
59 |
1.25 |
0.02 |
0.00 |
60.26 |
3.67 |
0.29 |
60 |
1.25 |
0.02 |
0.00 |
60.13 |
3.74 |
0.30 |
61 |
1.25 |
0.02 |
0.00 |
60.00 |
3.82 |
0.31 |
62 |
1.24 |
0.02 |
0.00 |
59.87 |
3.89 |
0.31 |
63 |
1.24 |
0.02 |
0.00 |
59.74 |
3.96 |
0.32 |
64 |
1.24 |
0.02 |
0.00 |
59.65 |
3.80 |
0.30 |
65 |
1.24 |
0.02 |
0.00 |
59.61 |
3.39 |
0.27 |
66 |
1.24 |
0.02 |
0.00 |
59.57 |
2.98 |
0.24 |
67 |
1.24 |
0.02 |
0.00 |
59.53 |
2.57 |
0.21 |
68 |
1.24 |
0.02 |
0.00 |
59.49 |
2.16 |
0.18 |
69 |
1.24 |
0.02 |
0.00 |
59.25 |
1.99 |
0.16 |
70 |
1.24 |
0.02 |
0.00 |
58.82 |
2.05 |
0.17 |
71 |
1.24 |
0.02 |
0.00 |
58.38 |
2.11 |
0.18 |
72 |
1.23 |
0.02 |
0.00 |
57.94 |
2.16 |
0.19 |
73 |
1.23 |
0.02 |
0.00 |
57.51 |
2.22 |
0.20 |
74 |
1.23 |
0.02 |
0.00 |
57.22 |
2.35 |
0.21 |
75 |
1.22 |
0.02 |
0.00 |
57.09 |
2.54 |
0.24 |
76 |
1.21 |
0.02 |
0.00 |
56.96 |
2.73 |
0.26 |
77 |
1.20 |
0.01 |
0.00 |
56.82 |
2.92 |
0.28 |
78 |
1.19 |
0.01 |
0.00 |
56.69 |
3.11 |
0.31 |
79 |
1.19 |
0.01 |
0.00 |
56.30 |
3.37 |
0.35 |
80 |
1.18 |
0.02 |
0.00 |
55.66 |
3.72 |
0.40 |
81 |
1.18 |
0.02 |
0.00 |
55.02 |
4.07 |
0.46 |
82 |
1.18 |
0.02 |
0.00 |
54.38 |
4.42 |
0.51 |
83 |
1.17 |
0.03 |
0.00 |
53.74 |
4.77 |
0.56 |
84 |
1.17 |
0.04 |
0.00 |
53.50 |
5.61 |
0.71 |
85 |
1.16 |
0.05 |
0.00 |
53.67 |
6.94 |
0.94 |
References:
[1] Patrick, A.D. & Patrick, B.E., Carbon 14 Decay as a Source of Somatic Point Mutations in Genes Correlated with Cancer Diagnoses, Stable Isotope Foundation, Grants Pass, OR (2017).
[2] Dekaban, A.S. and Sadowsky, D., Changes in brain weights during the span of human life: relation of brain weights to body heights and body weights, Ann. Neurology 4:345-356 (1978).