Table 3.

Metabolites in LUTS versus control group

Variables, mean (SD)	Control Group (IPSS < 8) n = 20	LUTS Group (IPSS ≥ 8) n = 62	P-value
Methionine [mmol/L]	0.04 (0.02)	0.02 (0.02)	0.002
Threonine [mmol/L]	0.15 (0.1)	0.09 (0.09)	0.038
Lactic acid [mmol/L]	1.63 (0.36)	1.87 (0.44)	0.031
Pyruvic acid [mmol/L]	0.05 (0.02)	0.05 (0.03)	0.194
2-Aminobutyric acid [mmol/L]	0.01 (0.02)	0.03 (0.02)	0.043

Note: IPSS: International Prostatic Symptom Score; LUTS: Lower urinary tract symptoms