Table 4.

The results of the post-hoc analyses of the cerebrospinal fluid metabolites.

CSF
No	Metabolite	Post-Hoc Test p-Values
		C vs. PD	C vs. APDs	PD vs. APDs
1	Tyrosine b	0.008478	NS	NS
2	Putrescine a	0.01245	NS	NS
3	t4-OH-Proline b	0.000673	0.00936	NS
4	total DMA a	NS	0.011032	NS

^a ANOVA; ^b Kruskal–Wallis; NS—not significant; C—control group; PD—Parkinson’s disease; APDs—atypical parkinsonian disorders; t4-OH-Pro—trans-4-hydroxyproline; DMA—dimethylarginine.