BC	Bladder Cancer
NMIBC	Non-muscle-invasive Bladder Cancer
MIBC	Muscle-invasive Bladder Cancer
TME	Tumor Microenvironment
MR	Mendelian randomization
SNPs	Single Nucleotide Polymorphisms
rsIDs	Reference SNP IDs
IVs	Instrumental Variables
IVW	Inverse Variance-weighted
TPM	Transcripts Per Million
iDEGs	Immune-related Differentially Expressed Genes
PPI	Protein–protein Interaction
GO	Gene Ontology
KEGG	Kyoto Encyclopedia of Genes and Genomes
GBM	Gradient Boosting Machine
GLM	Generalized Linear Model
NNET	Neural Network
KNN	K-nearest Neighbors
DT	Decision Tree
LASSO	Least Absolute Shrinkage and Selection Operator
RF	Random Forest
SVM	Support Vector Machines
XGB	Extreme Gradient Boosting
RMSE	Root Mean Square of Residuals
AUC	Area Under the Curve