Table 4.

Parameters describing the activity of catalase (CAT) 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	185	169	160	145	181	171	162	150
Standard deviation	±49	±43	±43	±40	±45	±44	±43	±43
Median	173	159	149	136	176	160	150	142
Minimum	122	108	92	91	99	95	86	83
Maximum	285	275	271	231	281	268	267	248
Upper quartile	210	201	186	165	213	201	192	179
Lower quartile	155	140	131	117	152	142	137	123
Interquartile range	55	61	55	48	61	59	55	56