Elevated Blood Ammonia Level Is a Potential Biological Risk Factor of Behavioral Disorders in Prisoners

Table 2

Independent -test for psychological and biological test results.

	Prisoners	Controls		value
	Mean (SD)	Mean (SD)
STAI-S	2.4 (0.5)	1.9 (0.4)	4.61	0.000
STAI-T	2.5 (0.4)	2.0 (0.4)	2.54	0.013
SDS	42.5 (7.5)	37.4 (9.0)	2.85	0.006
Aggression	10.5 (2.6)	7.8 (1.1)	6.58	0.000
H2S (pg/mL)	0.4 (0.2)	0.5 (0.15)	−2.36	0.021
NH3 (mol/L)	42.2 (10.1)	30.2 (13.8)	4.70	0.000