Table 3 Datasets and databases used for bioinformatic analysis

GSE89408

DEGs analysis

Differentially m6A regulator expression analysis

Training set of LASSO-Cox regression modelling

GSE55235,

GSE55457

Testing sets of LASSO-Cox regression modelling

GSE89408,

RM2target,

STRING

PPI network and functional enrichment of m6A regulators and their targeting genes

GSE152805

Dimensionality Reduction and Clustering

AUCell Scoring of m6A regulator regulated genes in synovial cell clusters

GSE55235,

GSE55457,

GSE82107,

GSE55584,

GSE89408

Cell cluster deconvolution

ssGSEA scoring of m6A regulator regulated genes

Sample clustering and KEGG functional enrichment based on IGF2BP3 regulated genes