Weak cation exchange magnetic beads coupled with matrix-assisted laser desorption ionization-time of flight-mass spectrometry in screening serum protein markers in osteopenia

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Table 2 Statistics of significantly different expressed peak intensities to distinguish patients from controls

m/z	Osteopenia group	Normal bone mass group	P vaules	Expression change
1699	299.04 ± 140.72	164.32 ± 105.04	0.037	↑
3038	383.78 ± 332.46	649.97 ± 236.04	0.014	↓