Exploration of Lipid Metabolism Alterations in Children with Active Tuberculosis Using UHPLC-MS/MS

Table 1

Demographic characteristics of the participants.

Characteristics	Training set ()			Independent testing set ()
	TB	HC	DC	TB	HC	DC
Sample size	70	21	21	30	9	10
Gender (male/female)	37/33	13/8	14/7	15/15	6/3	6/4
Age (years)^a	8.9 (6.8-12.0)	8.0 (3.9-11.2)	6.4 (3.5-9.0)	8.9 (6.0-12.0)	9.2 (7.4-11.1)	3.7 (2.5-4.0)
Age range (years)	0.3-14.0	1.0-11.0	0.6-13.2	0.8-13.0	0.7-11.0	5.8-13.0
Location of TB (pulmonary/extrapulmonary)	33/37	/	/	15/15	/	/
Severity of TB (severe/nonsevere)	35/35	/	/	10/20	/	/

TB: tuberculosis; HC: healthy control; DC: disease control. ^aData are presented as mean (interquartile range).