Table 2.
Variablea | Unit | λb | 2.5 - 97.5 intervalc | Sexd | Seasone | n | Range | p-valuef |
---|---|---|---|---|---|---|---|---|
AST | U/L | −1.2 | 43–317 | F + M | W | 15 | 38–95 | <0.0001 |
Sp | 27 | 46–114 | ||||||
Su | 18 | 46–437g | ||||||
ALT | U/L | −1 | 11–63 | F + M | W | 15 | 10–20 | <0.0001 |
Sp | 27 | 12–33 | ||||||
Su | 18 | 11–76g | ||||||
AP | U/L | −0.4 | 13–214 | F + M | W | 15 | 12–35 | <0.0001 |
Sp | 27 | 33–111 | ||||||
Su | 18 | 27–221g | ||||||
GGT | U/L | −0.4 | 4–98 | F + M | W | 15 | 4–16 | <0.0001 |
Sp + Su | 45 | 6–61 | ||||||
GD | U/L | −0.2 | 2–24 | F + M | W + Sp | 42 | 2–7 | 0.009 |
Su | 18 | 1–33 | ||||||
CK | U/L | −0.6 | 56–843 | F + M | W + Sp + Su | 60 | 61–522 | |
Amylase | U/L | −0.4 | 26–207 | F + M | W | 15 | 23–86 | <0.0001 |
Sp + Su | 45 | 36–168 | ||||||
Lipase | U/L | −1.2 | 12–150 | F | W + Sp + Su | 33 | 15–197g | 0.0018S |
M | W + Sp + Su | 27 | 11–43 | |||||
LD | U/L | 0.6 | 379–1021 | F + M | W | 15 | 363–753 | <0.0001 |
Sp | 27 | 465–928 | ||||||
Su | 18 | 565–1054 |
aAST = aspartate aminotransferase; ALT = alanine transaminase; AP = alkaline phosphatase; GGT = γ-glutamyl transpeptidase; GD = glutamate dehydrogenase; CK = creatinine kinase; LD = lactate dehydrogenase
bλ = the transformation value from the Box-Cox transformation
c2.5 and 97.5 percentiles on untransformed data
dF = female; M = male
eW = winter (February-March); Sp = spring (April-May); Su = summer (June)
f p-values are given for significantly different seasons groups: S = p-value for sex
gNon-estimable 95 % confidence interval, the range is given as lowest-highest measured value