Table 2.

CAT (catalase) activity [U/g Hb] in blood cells and GSH (glutathione) concentration [nmol/L] in plasma of subjects undergoing routine HRCT (high resolution computed tomography) before the examination, 10 min, 20 min, 60 min and 120 min after the examination.

Catalase Activity [CAT U/g Hb]
Time	Sex	n	Mean	SD	Median	Min	Max	Q1	Q3	p *
Before	Female	18	16.04	8.77	13.82	3.2	43.78	11.22	18.88	---
	Male	17	22.16	11.3	18.51	9.08	54.59	15.47	28.14	---
After 10 min	Female	18	11.59	5.85	11	2.97	28.64	8.36	13.75	0.002
	Male	17	12.53	8.28	11.4	2.33	38.79	7.65	13.15	<0.001
After 20 min	Female	18	8.24	2.66	8.56	3.93	12.93	5.67	9.89	0.001
	Male	17	10.4	5.17	8.2	3.51	20.27	7.32	13.95	<0.001
After 60 min	Female	18	11.12	4.32	11.32	3.22	19	8.7	14.42	0.024
	Male	17	15.18	10.62	14.2	3.91	45.16	7.94	15.82	0.005
After 120 min	Female	18	14.89	11.39	12	4.17	46.28	8.91	15.88	0.212
	Male	17	18.69	14.59	13.31	4.11	64.29	10.51	19.8	0.025
Reduced Glutathione GSH [nmol/L]
Time	Sex	n	Mean	SD	Median	Min	Max	Q1	Q3	p *
Before	Female	18	54.35	24.31	54.78	24.04	132.85	36.14	65.04	---
	Male	17	52.93	12.21	57.24	28.91	72.15	42.27	60.53	---
After 10 min	Female	18	46.41	14.73	44.81	25.72	67.88	32.04	61	<0.001
	Male	16	46.25	12.65	47.22	23.37	68.02	36.52	53.3	0.001
After 20 min	Female	18	46.48	14.27	44.31	24.37	64.72	36.03	62.25	0.004
	Male	17	47.04	12.26	47.56	26.14	65.29	36.3	56.84	0.003
After 60 min	Female	18	43.56	17.63	43.27	8.08	68.08	29.39	61.85	0.001
	Male	17	44.89	14.02	43.78	18.45	68.55	34.87	57.44	<0.001
After 120 min	Female	18	45.15	14.35	41.26	26.22	65.92	33.15	59.35	0.002
	Male	16	46.58	11.45	45.65	25.05	62.38	40.73	56.88	0.013

Notes: The analysis was carried out using the Wilcoxon test for dependent (repeated) measurements; the table shows the medians, quartiles and ranges of values of individual variables. * p—comparison with the measurement before the examination—Wilcoxon test for dependent (repeated) measurements.