Table 7.

Parameters describing glutathione transferase (GST) activity in women and men, including the time of blood collection (U/g Hb).

Gender	Women (n = 33)				Men (n = 33)
Time of Blood Collection	2 a.m.	8 a.m.	2 p.m.	8 p.m.	2 a.m.	8 a.m.	2 p.m.	8 p.m.
Mean	0.44	0.36	0.34	0.41	0.40	0.35	0.34	0.37
Standard deviation	±0.14	±0.12	±0.13	±0.17	±0.09	±0.10	±0.12	±0.11
Median	0.44	0.35	0.32	0.40	0.39	0.34	0.34	0.32
Minimum	0.19	0.15	0.11	0.16	0.28	0.19	0.11	0.25
Maximum	0.78	0.66	0.59	0.99	0.66	0.59	0.59	0.69
Upper quartile	0.50	0.42	0.45	0.44	0.43	0.42	0.41	0.43
Lower quartile	0.34	0.30	0.25	0.30	0.34	0.27	0.27	0.30
Interquartile range	0.16	0.12	0.20	0.14	0.09	0.15	0.15	0.14