A Preliminary Study of Uric Metabolomic Alteration for Postpartum Depression Based on Liquid Chromatography Coupled to Quadrupole Time-of-Flight Mass Spectrometry

Table 1

Demographic characteristics of the study population.

Parameters	Primary cohort			Validation cohort
	PDP^a	HC^b	value	PDP	HC	value
Number of cases	40	40	—	9	10	—
Mean age (y), mean (SD)	27.0 (4.6)	27.2 (4.7)	0.831	24.7 (4.0)	27.7 (4.9)	0.161
Racial origin: Asian (Chinese) ( (%))	40 (100)	40 (100)	—	9 (100)	10 (100)	—
Body mass index	26.2 (3.8)	25.2 (3.3)	0.192	25.8 (3.2)	24.9 (2.1)	0.433
HDRS scores	29.5 (8.8)	4.3 (1.6)	<0.001	27.9 (7.1)	4.3 (1.4)	<0.001

^aPostpartum depressed patients. ^bHealthy controls.