Table 1

Time-dichlorvos concentration of four groups

Time (h)	A group (μg/m)	B group (μg/ml)	C group (μg/ml)	D group (μg/ml)
0.05	1.84±0.85	0.76±0.17^*	1.83±0.40	0.76±0.07^*
0.08	3.31±0.31	1.22±0.13^*	3.13±0.27	1.33±0.21^*
0.17	5.36±0.63	2.91±0.18^*	5.28±0.55	2.90±0.32^*
0.33	2.85±0.30	1.57±0.26^*	2.74±0.42	1.54±0.05^*
0.5	1.93±0.26	0.99±0.18^*	1.87±0.34	0.95±0.17^*
1	1.35±0.22	0.64±0.08^*	1.25±0.10	0.64±0.10^*
2	1.09±0.21	0.35±0.07^*	1.05±0.16	0.35±0.01^*
4	0.66±0.16	0.23±0.01^*	0.65±0.09	0.23±0.03^*
6	0.37±0.06	0.22±0.01^*	0.35±0.02	0.21±0.01^*

All the data were expressed as mean± SD.
↵* p<0.01, concentration data were compared with A group by t test. There were statistical differences between group B and group A and between group C and group A.