MSK	medullary sponge kidney
ICN	idiopathic calcium nephrolithiasis
LAMA2	laminin subunit α2
SVM	support vector machine
PLS-DA	partial least squares discriminant analysis
ADPKD	autosomal dominant polycystic kidney disease
MS	mass spectrometry
SPP1	osteopontin
PBS	phosphate-buffered saline
DLS	dynamic light scattering
iST	in-StageTip
SDB-RPS	poly (styrene divinylbenzene) reversed-phase sulfonate
TFA	trifluoroacetic acid
BSA	bovine serum albumin
PBST	PBS plus 0.1% Tween-20
HRP	horseradish peroxidase
ROC	Received operating characteristic
AUC	area under the curve
CI	confidence interval
FCN1	Ficolin 1
MASP2	Mannan-binding lectin serine protease 2
C4BPB	Complement component 4-binding protein β
PTX3	pentraxin 3
CRP	C-reactive protein