Table 3.

Total antioxidant capacity expressed as FRAP (ferric reducing ability of plasma) and FRASC (ferric reducing antioxidant activity and ascorbic acid concentration) in the blood of subjects undergoing routine HRCT examination before the test, 10 min, 20 min, 60 min and 120 min after the test.

FRAP [mmol/L]
Time	Sex	n	Mean	SD	Median	Min	Max	Q1	Q3	p *
Before	Female	18	1	0.31	0.87	0.64	1.63	0.77	1.2	---
	Male	17	0.91	0.31	0.83	0.61	1.66	0.69	1	---
After 10 min	Female	18	0.7	0.22	0.73	0.3	1.08	0.57	0.87	<0.001
	Male	17	0.65	0.28	0.66	0.17	1.42	0.52	0.69	0.004
After 20 min	Female	18	0.65	0.22	0.63	0.31	1.1	0.49	0.77	<0.001
	Male	17	0.74	0.34	0.74	0.35	1.8	0.5	0.83	0.02
After 60 min	Female	18	0.67	0.21	0.7	0.34	1.08	0.51	0.81	<0.001
	Male	17	0.8	0.57	0.64	0.13	2.73	0.56	0.83	0.017
After 120 min	Female	18	0.79	0.28	0.74	0.35	1.38	0.55	0.99	0.001
	Male	16	0.75	0.26	0.77	0.25	1.18	0.61	0.89	0.011
FRASC (Vitamin C) [µmol/L]
Time	Sex	n	Mean	SD	Median	Min	Max	Q1	Q3	p *
Before	Female	18	52.43	15.79	51.3	31.53	84.72	37.84	65.61	---
	Male	17	48.72	17.75	44.7	30.32	108.46	42.95	47.35	---
After 10 min	Female	18	37.14	22.9	28.89	14.28	110.6	25	47.39	0.002
	Male	17	33.38	17.04	27.65	18.19	81.32	20.66	40.78	0.001
After 20 min	Female	18	34.14	18.62	30.69	14.23	86.1	22.12	37.62	<0.001
	Male	17	31.82	21.79	25.56	13.19	101.68	19.86	35.36	<0.001
After 60 min	Female	18	36.29	12.9	34.85	18.02	57.81	23.84	48.38	<0.001
	Male	17	34.95	16.09	30.27	19.28	89.03	24.41	36.66	<0.001
After 120 min	Female	18	42.72	19.68	43.29	16.51	73.68	24.39	56.66	0.018
	Male	16	40.36	29.59	35.03	11.99	139.97	23.85	45.88	0.039

Notes: The analysis was carried out using the Wilcoxon test for dependent (repeated) measurements; the graph 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.