Table 2. Pairwise comparison analysis (P values) of neurotrophic effect of SF and CSK conditioned media.

		Basal media	SFCM			CSKCM
			30%	60%	90%	30%	60%	90%
	Basal media		0.012	<0.001	<0.001	0.131	0.284	0.510
SF CM	30%	0.012		0.033	0.001	<0.001	<0.001	0.008
	60%	<0.001	0.033		0.262	<0.001	<0.001	<0.001
	90%	<0.001	0.001	0.262		<0.001	<0.001	<0.001
CSK CM	30%	0.131	<0.001	<0.001	<0.001		0.754	0.014
	60%	0.284	<0.001	<0.001	<0.001	0.754		0.238
	90%	0.510	0.008	<0.001	<0.001	0.114	0.238

P values of pairwise comparisons of estimated margin means for DRG treatment with CSK, SF conditioned media and basal media. P < 0.05 was statistically significance.