Table 1.

ncRNA expression profiles in the maternal-fetal interface of URSA.

Reference	Microarray filtering criteria	Method	Sample	Upregulated	Downregulated
[27]	q value ≤ 0.05; FC ≥ 2 or ≤0.5	Microarray qRT-PCR	Villi Decidua	4 miRNAs 7 miRNAs	41 miRNAs Not mentioned
[28]	FC ≥ 2.0; p value ≤ 0.05	Microarray qRT-PCR	Villi	98 miRNAs	57 miRNAs
[31]	FDR < 0.05; p value < 0.005	Microarray	Decidua	49 miRNAs	1 miRNA
[32]	FC > 2.0; p value < 0.05	RNA-seq qRT-PCR	Decidua Villi	23 miRNAs 4 miRNAs	Not mentioned 5 miRNAs
[33]	FC > 2.0	Microarray qRT-PCR	Decidua	859 lncRNAs	940 lncRNAs
[34]	FC > 2.0	Microarray qRT-PCR	Villi	467 lncRNAs	982 lncRNAs
[35]	FC ≥ 2.0; p value ≤ 0.05	Microarray qRT-PCR	Villi	335 circRNAs	259 circRNAs

FC: fold change; FDR: false discovery rate.