Table 3: Mean intracellular (red blood cell) tocopherol levels by age strata (total and subtype) (μg/ml).

20s30s70s80s100s

α TocMale
( 𝑛 )
2 . 4 7 ± 0 . 4 9 (4)** 2 . 4 3 ± 0 . 3 5 (8)** 2 . 4 8 ± 0 . 2 5 (17)*** 2 . 4 6 ± 0 . 2 8 (5)* 1 . 5 1 ± 0 . 8 4 (19)
Female ( 𝑛 ) 2 . 5 3 ± 0 . 3 5 (4) 2 . 7 9 ± 0 . 8 2 (8) 2 . 6 1 ± 0 . 7 6 (30)*** 2 . 9 1 ± 0 . 8 7 (3) 2 . 0 0 ± 1 . 1 3 (77)
Total
( 𝑛 )
2 . 5 0 ± 0 . 4 0 (8)** 2 . 6 1 ± 0 . 6 4 (16)** 2 . 5 6 ± 0 . 6 2 (47)*** 2 . 6 6 ± 0 . 6 1 (8)* 1 . 8 9 ± 1 . 0 9 (96)

β TocMale
( 𝑛 )
0 . 0 5 ± 0 . 0 0 (4) 0 . 0 5 ± 0 . 0 1 (8) 0 . 0 4 ± 0 . 0 1 (17)* 0 . 0 5 ± 0 . 0 1 (5) 0 . 0 8 ± 0 . 0 4 (10)
Female ( 𝑛 ) 0 . 0 4 ± 0 . 0 0 (4) 0 . 0 4 ± 0 . 0 1 (8) 0 . 0 5 ± 0 . 0 2 (30)** 0 . 0 6 ± 0 . 0 2 (3) 0 . 1 0 ± 0 . 0 8 (37)
Total
( 𝑛 )
0 . 0 5 ± 0 . 0 1 (8) 0 . 0 4 ± 0 . 0 1 (16) 0 . 0 5 ± 0 . 0 2 (47)** 0 . 0 5 ± 0 . 0 1 (8) 0 . 0 9 ± 0 . 0 7 (47)

γ TocMale
( 𝑛 )
0 . 3 5 ± 0 . 0 6 (4) 0 . 3 1 ± 0 . 1 2 (8) 0 . 2 7 ± 0 . 0 9 (17) 0 . 3 9 ± 0 . 1 0 (5) 0 . 2 5 ± 0 . 1 6 (18)
Female ( 𝑛 ) 0 . 3 5 ± 0 . 0 8 (4) 0 . 3 2 ± 0 . 1 1 (8) 0 . 3 3 ± 0 . 1 7 (30)* 0 . 3 1 ± 0 . 1 6 (3) 0 . 2 3 ± 0 . 1 9 (74)
Total
( 𝑛 )
0 . 3 5 ± 0 . 0 7 (8) 0 . 3 2 ± 0 . 1 1 (16) 0 . 3 1 ± 0 . 1 5 (47)* 0 . 3 5 ± 0 . 1 3 (8) 0 . 2 4 ± 0 . 1 8 (92)

Total TocMale
( 𝑛 )
2 . 8 7 ± 0 . 5 0 (4)*** 2 . 7 6 ± 0 . 4 1 (8)*** 2 . 7 9 ± 0 . 3 0 (17)*** 2 . 8 9 ± 0 . 3 7 (5)* 1 . 8 0 ± 1 . 0 0 (19)
Female ( 𝑛 ) 2 . 9 2 ± 0 . 3 9 (4)*** 3 . 1 5 ± 0 . 7 5 (8) 2 . 9 8 ± 0 . 8 2 (30)*** 3 . 2 4 ± 0 . 7 6 (3)*** 2 . 3 0 ± 1 . 2 2 (77)
Total
( 𝑛 )
2 . 9 0 ± 0 . 4 2 (8)*** 2 . 9 5 ± 0 . 6 2 (16)*** 2 . 9 1 ± 0 . 6 7 (47)*** 3 . 0 5 ± 0 . 5 7 (8)*** 2 . 1 9 ± 1 . 1 9 (96)

Toc: Tocopherol.
Significant difference centenarians and individual age groups: * 𝑃 < . 0 5 ; ** 𝑃 < 0 . 0 1 ; *** 𝑃 < . 0 0 1 .