Table 1.
Cumulative logistic model of the main effects and second order effects for microbial infection (confidence interval=95%)
| Variable | Variable level | Estimate | Standard Error | P-value | Odds Ratio | Interval for odds ratio |
|---|---|---|---|---|---|---|
| Smear | Present (baseline) | -2.880 | 1.037 | 0.005 | 0.0561 | (0.007, 0.428) |
| Absent | ||||||
| Time | 60 min (baseline) | |||||
| 30 min | -2.776 | 1.176 | 0.018 | 0.062 | (0.006, 0.624) | |
| 5 min | -3.210 | 1.077 | 0.003 | 0.040 | (0.005, 0.333) | |
| Irrigant | PI (baseline) | |||||
| NaOCl | -2.776 | 1.176 | 0.018 | 0.062 | (0.006, 0.624) | |
| CHX | -3.210 | 1.077 | 0.003 | 0.040 | (0.005, 0.333) | |
| Smear/Time | No smear/5 min | 2.224 | 1.036 | 0.032 | 9.244 | (1.213, 70.426) |
| No smear/30 min | 1.322 | 1.040 | 0.204 | 3.751 | (0.489, 28.801) | |
| Irrignt/Time | NaOCl/5 min | 1.204 | 1.323 | 0.363 | 3.333 | (0.249, 44.571) |
| CHX/5 min | 1.083 | 1.146 | 0.345 | 2.953 | (0.312, 27.915) | |
| NaOCl/30 min | 2.062 | 1.319 | 0.118 | 7.862 | (0.593, 104.298) | |
| CHX/30 min | 2.662 | 1.128 | 0.018 | 14.325 | (1.570, 130.697) | |
| Smear/Irrigant | No smear/NaOCl | -1.294 | 1.005 | 0.198 | 0.274 | (0.038, 1.966) |
| No smear/CHX | 0.981 | 0.878 | 0.264 | 2.667 | (0.477, 14.908) | |