TABLE 2

Immunodetected carboxylesterase (CES) content from postmortem fractionated hepatic samples

Data are given in median pmol/mg protein (interquartile range). Each enzyme is compared across the three donor race/ethnicity groups.

EnzymeAfrican American 
(n = 62)White
(n = 79)Hispanic
(n = 16)Overall P Valuea
Microsomal CES 114.99* (9.62–18.51)17.95 (13.60–20.67)10.86** (4.33–20.72)0.01
Cytosolic CES113.62* (5.51–16.91)15.46 (0.35–19.58)11.94 (0–23.21)0.155
Microsomal CES22.79 (2.05–3.98)2.99 (2.20–3.93)1.79*** (1.52–1.98)0.001
Cytosolic CES21.83 (1.22–2.23)1.69 (1.13–2.07)1.51 (0–2.12)0.23
  • a The overall P value was derived from Kruskal-Wallis comparison across the three groups, whereas the asterisk P value designations within the table represent two-way comparisons using the Mann-Whitney U test.

  • * P ≤ 0.05 compared with whites; **P ≤ 0.01 compared with the other two groups; ***P ≤ 0.001 compared with the other two groups