Table 5.

Analysis of statistical significance of P100 latency between initial visit and at 3 months visit

Data Summary.
	A	B	Total
n	27	27	54
∑ X	3194.100000	3266.200000	6460.300000
∑ X2	380950.79	398393.9599	779344.75
SS	3086.76	3280.5363	6465.5631
mean	118.3	123.063	120.6815
Results
Mean a – Mean b	t	df	p	one-tailed	0.1887825
-2.6704	-0.89	52		two-tailed	0.377565