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FSB and GCB HbA1c Values: Criterion Cutoff of 6.3% for the GCB HbA1c Values (N=75)
| GCB HbA1c Readings | FSB HbA1c Readings < 6.5% | FSB HbA1c Readings ≥ 6.5% | Total |
|---|---|---|---|
| < 6.3% | 54 | 1 | 55 |
| ≥ 6.3% | 6 | 14 | 20 |
| Total | 60 | 15 | 75 |
HbA1c=hemoglobin A1c; FSB=finger stick blood; GCB=gingival crevicular blood
