Table 3. Changes in the escape latency (s) of autistic mice in the NS and VPA groups.

	NS group	VPA group	P value
The 1st day	59.60 ± 10.31	96.30 ± 10.91	< 0.001
The 2nd day	31.40 ± 6.04	84.80 ± 11.20	< 0.001
The 3rd day	28.40 ± 3.66	70.70 ± 8.23	< 0.001
The 4th day	18.70 ± 3.37	51.70 ± 5.38	< 0.001
The 5th day	13.20 ± 2.44	34.50 ± 4.20	< 0.001

Abbreviations: NS, normal saline; VPA, sodium valproate.