TABLE 1.

Descriptive statistics of five neurotransmitter concentrations.

Trait	Maximum	Minimum	Mean	SD	CV (%)	Skewness	Kurtosis
5HT (ng/L)	3786	1948	2844	563.53	19.81	0.067	1.63
DA (ng/L)	228.4	112.6	168.3	31.01	18.42	0.164	1.89
Glu (μmol/L)	43.95	24.08	33.76	5.89	17.45	0.070	1.70
Cortisol (μg/L)	228.2	116.7	172.0	29.63	17.23	−0.001	1.86
ACTH (μg/L)	55.90	28.49	41.60	7.85	18.87	0.200	1.87