Table 4

Diversification of rat body weight
Gender Dose Number of rats Initial weight First week (g) Second week (g) Third week (g) Fourth week
(g) F P (g) F P
Female Negative control 8 193.9 ± 8.24 0.327 0.806 204.5 ± 9.4 222.6 ± 11.6 237.4 ± 16.3 246.9 ± 18.8 0.177 0.911
Low 8 191.2 ± 7.70 201.8 ± 9.0 220.0 ± 12.1 237.4 ± 13.4 247.5 ± 12.4
Middle 8 194.4 ± 7.01 203.4 ± 6.8 219.9 ± 11.0 234.8 ± 13.0 246.0 ± 14.3
High 8 194.6 ± 7.71 204.1 ± 10.4 220.2 ± 14.1 231.9 ± 18.7 241.9 ± 21.2
Male Negative control 8 207.9 ± 7.9 0.970 0.421 250.8 ± 9.6 308.4 ± 13.7 344.6 ± 18.4 383.8 ± 25.5 0.590 0.626
Low 8 210.2 ± 7.3 246.5 ± 7.7 302.1 ± 12.1 336.4 ± 7.7 373.0 ± 17.4
Middle 8 211.4 ± 8.8 245.9 ± 14.3 297.5 ± 16.8 336.0 ± 19.1 373.9 ± 26.2
High 8 205.0 ± 8.4 245.4 ± 11.4 308.5 ± 11.6 346.4 ± 15.6 383.6 ± 16.3

Wang et al.

Wang et al. Nanoscale Research Letters 2013 8:122   doi:10.1186/1556-276X-8-122

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