Cerebral hemodynamic characteristics of patients with auditory verbal hallucinations and the construction of nomogram models

Table 1 General information of patients in three groups

Variables		SCZ group (n = 117)	PTSD group (n = 108)	RDD group (n = 105)	F	P value
Age (year), mean ± SD		26.97 ± 6.15	26.28 ± 5.49	27.10 ± 5.23	0.669	0.513
Gender	Male	54	52	35	5.645	0.06
	Female	63	56	70
Years of education		12.37 ± 3.32	12.49 ± 2.68	12.03 ± 2.86	0.688	0.503
BMI		23.13 ± 3.43	22.64 ± 3.00	22.94 ± 3.15	0.665	0.515
Course of disease (months)		4.81 ± 1.22	5.02 ± 1.08	4.95 ± 1.41	0.819	0.442

SCZ group: Schizophrenia with auditory verbal hallucinations; PTSD group: Post-traumatic stress disorder with auditory verbal hallucinations; RDD group: Recurrent depressive disorder with auditory verbal hallucinations; BMI: Body mass index.