Table 4.
| n | Sex | Age range (year) | Free (nmol/l) | TMP (nmol/l) | TDP (nmol/l) | TTP (nmol/l) | Total (nmol/l) | Ratio phosphorylated thiamine (TMP + TDP + TMP)/free thiamine |
|---|---|---|---|---|---|---|---|---|
| Japana | ||||||||
| 509 | M | 21–80 | 7 (2–18) | 17 (5–47) | 124 (70–229) | 0 (0–4) | 150 (89–262) | 22 (9–58) |
| 460 | F | 18–70 | 6 (2–17) | 16 (4–60) | 114 (63–200) | 0 (0–3) | 139 (80–235) | 22 (8–58) |
| Norway 1991b | ||||||||
| 15 | M | 32–54 | 33.4 (10.4) | 10.9 (5.1) | 165.0 (40.4) | <2 | ||
| 15 | F | 23–60 | 29.6 (10.0) | 9.7 (2.3) | 121 (29.6) | <2 | ||
| The Netherlandsb | ||||||||
| 65 | 4.3 (1.9) | 4.1 (1.6) | 120 (17.5) | <4 | ||||
| Belgiumb | ||||||||
| 7 | 4 (3) | 10 (4) | 138 (33) | 13 (4) | ||||
| The Netherlandsc | ||||||||
| 98 | 115 (70–185) | |||||||
a
Mean (95% confidence interval).
b
Mean (standard deviation).
c
Mean (range)
F, female; M male, TDP, thiamine diphosphate; TMP, thiamine monophosphate; TTP, thiamine triphosphate.