Table 1. Metabolite concentrations in RB groups.

Rb group	Metabolites
	Taurine	Hypotaurine	t-Choline	Phosphocholine	Creatine	Total lipid
Group 1	0.22±0.04	0.01±0.006	0.17±0.05	0.13±0.04	0.16±0.04	7.70±1.84
Group 2	0.57±0.11	0.35±0.10	0.52±0.13	0.35±0.09	0.38±0.08	3.74±0.85
Group 3	0.95±0.30	0.16±0.07	0.29±0.07	0.16±0.07	0.43±0.14	1.00±0.35
Kruskall–Wallis P-valuea	0.005	0.0001	0.008	0.007	0.016	0.0003
Post hoc significanceb	G1 vs G3 P=0.002	G1 vs G2 P=0.0001	G1 vs G2 P=0.003	G1 vs G2 P=0.003	G1 vs G2 P=0.006	G1 vs G2 P=0.015
	G1 vs G2 P=0.006	G1 vs G3 P=0.013			G1 vs G3 P=0.048	G1 vs G3 P=0.0003
		G2vG3 P=0.03				G2 vs G3 P=0.002

Abbreviations: ANOVA=analysis of variance; Rb=retinoblastoma.

^aNonparametric ANOVA for significance of difference between groups.

^bValues ⩽0.05 are considered significant.