Relationship between SLC6A2 gene polymorphisms and brain volume in Han Chinese adults who lost their sole child

BMC Psychiatry

Table 1 Demographics of study participants: Han Chinese adults who lost an only child

Protocols	Adults with PTSD (n = 57)	Adults without PTSD (n = 161)	P value
Age, y	57.58 ± 5.48	58.80 ± 5.51	0.15^a
Gender (F/M)	40/17	71/90	0.001^b
Education, y	6.42 ± 4.18	6.71 ± 3.56	0.62^a
BMI	24.35 ± 2.44	24.28 ± 2.82	0.88
Duration since trauma, m	57.35 ± 48.44	108.16 ± 71.71	< 0.001^a
CAPS_total	47.65 ± 12.84	16.14 ± 10.02	<0.001^a
HAMD	15.93 ± 6.61	5.86 ± 4.24	<0.001^a
HAMA	12.65 ± 6.52	4.57 ± 3.45	<0.001^a

Values are expressed as mean ± standard deviation. PTSD, post-traumatic stress disorder; BMI, body mass index; CAPS, clinician-administered PTSD scale; HAMD, Hamilton Depression; HAMA, Hamilton Anxiety
^a The P values for the difference between the two trauma-exposed groups was obtained by performing a two-sample t-test
^b The P values for gender distribution between the two trauma-exposed groups was obtained by performing a chi-square test

ISSN: 1471-244X