Table 2.
Results of paired t-test in patients before and after (6 months) bariatric surgery
| Variables | Before (n = 59) |
After (n = 59) |
P | ||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| BMI (kg/m2) | 49.31 | 8.75 | 35.52 | 8.12 | <0.000* |
| CRP (mg/dl) | 1.75 | 1.47 | 0.49 | 0.53 | <0.000* |
| Glucose (mg/dl) | 108.03 | 38.60 | 83.72 | 14.71 | <0.000* |
| Salivary flow (ml/minute) | 0.84 | 0.53 | 0.95 | 0.52 | 0.105 |
| PPD (mm) | 1.86 | 0.44 | 2.11 | 0.38 | <0.000* |
| CAL (mm) | 1.96 | 0.57 | 2.20 | 0.49 | <0.000* |
| BOP (%) | 22.09 | 17.19 | 24.99 | 19.04 | 0.218 |
| Calculus index (%) | 21.93 | 20.18 | 18.56 | 17.64 | 0.187 |
| Sites with PPD 4–5 mm (%) | 3.03 | 3.80 | 4.65 | 7.41 | 0.022* |
| Sites with PPD ≥ 6 mm (%) | 0.64 | 2.02 | 0.79 | 1.96 | 0.131 |
| DWI in enamel | 19.80 | 9.23 | 17.01 | 8.65 | 0.019* |
| DWI in dentine | 9.89 | 9.18 | 15.68 | 10.76 | <0.000* |
| Decayed teeth (n) | 0.29 | 0.79 | 0.47 | 1.19 | 0.296 |
| Number of teeth | 25.49 | 5.78 | 25.69 | 5.95 | 0.176 |
*
Statistically significant.
CRP, C-reactive protein; BMI, body mass index; PPD, periodontal pocket depth; CAL, clinical attachment level; BOP, bleeding on probing; DWI, dental wear index.