| Group | N | Odds ratio | P value |
---|---|---|---|---|
Age | -39 | 55 | reference | Â |
 | 40-59 | 120 | 0.72 | 0.475 |
 | 60- | 87 | 0.47 | 0.158 |
Gender | Male | 83 | Reference | Â |
 | Female | 179 | 0.68 | 0.326 |
LSAS | -59 | 202 | Reference | Â |
 | 60- | 60 | 2.28 | 0.037* |
Teeth present (teeth) | 20- | 24 | Reference | Â |
 | -19 | 220 | 0.85 | 0.787 |
Decayed teeth (teeth) | 0 | 227 | reference | Â |
 | 1- | 35 | 0.23 | 0.063 |
PPD (mm) | Low | 132 | reference | Â |
 | High | 130 | 0.55 | 0.128 |
BOP (teeth) | Low | 160 | reference | Â |
 | High | 102 | 1.53 | 0.298 |
Plaque Index | Low | 130 | reference | Â |
 | High | 132 | 1.11 | 0.797 |
Salivary flow rate (mL/min) | < 0.1 | 42 | reference | Â |
 | > = 0.1 | 220 | 1.16 | 0.779 |
Pre-VAAS | < 50 | 66 | reference | Â |
 | > = 50 | 196 | 7.09 | 0.002* |
H2S (ng/10mL) (after treatment) | < 1.5 | 238 | reference | Â |
 | > = 1.5 | 23 | 4.14 | 0.086 |
Ch3SH (ng/10mL) (after treatment) | < 0.5 | 237 | reference | Â |
 | > = 0.5 | 24 | 0.31 | 0.199 |