Table 3.
Distribution of ADS and urease activities in plaque and in saliva samples according to caries status
| Caries-free (n = 31) | Caries-active (n = 30) | Caries-experienced (n = 32) | p value2 | |
|---|---|---|---|---|
| Plaque ADS1 | <0.0001 | |||
| Mean | 1.74b | 0.58a | 1.51b | |
| Median | 1.50 | 0.55 | 1.42 | |
| SD | 1.32 | 0.35 | 1.09 | |
| Plaque urease | <0.0001 | |||
| Mean | 4.04b | 1.25a | 3.51b | |
| Median | 3.30 | 0.90 | 3.41 | |
| SD | 3.13 | 1.29 | 2.57 | |
| Saliva ADS | <0.0001 | |||
| Mean | 1.06b | 0.18a | 0.90b | |
| Median | 0.63 | 0.12 | 0.70 | |
| SD | 1.00 | 0.18 | 0.71 | |
| Saliva urease | 0.8274 | |||
| Mean | 0.32a | 0.21a | 0.53a | |
| Median | 0.15 | 0.10 | 0.12 | |
| SD | 0.48 | 0.26 | 1.50 |
1
ADS and urease activity levels: μmol of ammonia liberated min−1 (mg protein).
2
Multiple comparisons: groups with same letter are not significantly different.