Table 1.
Average serum and salivary β2-M, urea, and Cr levels in chronic renal failure patients and control (healthy) subjects
| Group | Diagnostic marker | Average | r | P value |
|---|---|---|---|---|
| Controls | Salivary Cr | 0.8381 ± 0.22 | 0.195 | 0.398 |
| Serum Cr | 1.00 ± 0.921 | |||
| Salivary urea | 20.333 ± 4.74 | 0.048 | 0.028 | |
| Serum urea | 21.667 ± 3.98 | |||
| Salivary β2-M | 0.9226 ± 0.52 | 0.133 | 0.566 | |
| Serum β2-M | 1.7662 ± 0.41 | |||
| Patients | Salivary Cr | 0.759 ± 0.83 | 0.579 | 0.006 |
| Serum Cr | 2.7381 ± 7.1 | |||
| Salivary urea | 44.05 ± 67.21 | 0.0401 | 0.072 | |
| Serum urea | 49.095 ± 36.21 | |||
| Salivary β2-M | 1.5857 ± 0.12 | 0.078 | 0.737 | |
| Serum β2-M | 5.9 ± 0.17 | |||
r; Pearson Correlation Coefficient.