Table 1. Analysis of the medians of comet, head, and tail parameters in the control, the H₂O₂-treated and the Fenton reagent-treated U937 cells.

Comet
	Length [μm]	Height [μm]	Area [μm2]	Intensity [r.u.]	Mean Intensity [r.u.]
Control	20 ± 2	18 ± 2	301 ± 71	71506 ± 18571	51 ± 5
H2O2	44 ± 2	24 ± 2	762 ± 66	99182 ± 7767	27 ± 1
Fenton	51 ± 6	25 ± 3	301 ± 71	123451 ± 18571	51 ± 5
Head
	Diameter [μm]	%DNA	Area [μm2]	Intensity [r.u.]	Mean Intensity [r.u.]
Control	18 ± 2	91 ± 4	262 ± 48	65320 ± 16978	52 ± 7
H2O2	13 ± 1	30 ± 2	178 ± 15	27219 ± 1385	31 ± 5
Fenton	10 ± 1	21 ± 10	141 ± 32	24705 ± 7742	31 ± 2
Tail
	Length [μm]	%DNA	Area [μm2]	Intensity [r.u.]	Mean Intensity [r.u.]
Control	2 ± 1	8 ± 4	31 ± 21	5888 ± 3993	42 ± 9
H2O2	30 ± 3	69 ± 3	524 ± 36	64238 ± 9192	26 ± 1
Fenton	39 ± 8	78 ± 10	659 ± 161	94581 ± 32988	29 ± 2

Data are presented as mean values and standard deviations. The mean value represents the average value from at least three measurements.