Groups Comet length (µm) Comet Height (µm) Head diameter (µm) %DNA in Head Tail Length (µm) %DNA in Tail Tail Moment Olive Moment
Negative control 10.03 c ± 414 9.45 c ± 401 9.63 c ± .41 93.52 c ± .50 .51 c ± .54 6.47 d ± .50 .25 c ± .031 .789 d ± .069
Positive control 25.25 a ± .757 22.53 a ± .704 20.09 a ± .632 77.77 d ± 1.01 5.16 a ± .330 2.23 bc ± 1.01 6.41 b ± .740 8.22 bc ± .609
50mg/kg PEG 19.57 b ± .602 17.05 b ± .546 16.41 b ± .56 80.95 b ± 1.16 3.13 b ± .244 19.05 c ± 1.16 4.82 b ± .61 6.49 c ± .52
100mg/kg PEG 20.50 b ± .761 18.32 b ± .711 15.25 b ± .574 78.98 c ± 1.05 5.26 a ± .456 27.01 a ± 1.65 10.07 a ± 1.12 8.87 b ± .75
200mg/kg PEG 25.30 a ± .710 21.75 b ± .722 19.32 b ± .604 75.09 da ± 1.56 6.10 a ± .498 24.91 ab ± 1.56 11.99 a ± 1.60 11.55 a ± .99
Table 1: Comet parameters in bone marrow cells of control and various doses of polyethylene glycol as measured by comet assay. All the values are expressed as mean ± S.E. Values in the same column within the same item followed by different letters are significantly different (p≤0.05).