Table 3.
Relationship between the difference in EPT values and clinical diagnosis of pulpitis in the four models
| Variables | Crude model | Model 1 | Model 2 | Model 3 | ||||
|---|---|---|---|---|---|---|---|---|
| OR (95% CI) | P | OR (95% CI) | P | OR (95% CI) | P | OR (95% CI) | P | |
| Difference in EPT values | 1.023 (1.000, 1.047) | 0.050 | 1.024 (1.001, 1.048) | 0.045* | 1.023 (1.000, 1.047) | 0.050 | 1.025 (1.002, 1.050) | 0.035* |
| Difference in EPT values (quartile) | ||||||||
| Q1 | Reference | 0.498 | Reference | 0.488 | Reference | 0.529 | Reference | 0.448 |
| Q2 | 1.100 (0.498, 2.431) | 0.814 | 1.114 (0.503, 2.467) | 0.798 | 1.138 (0.513, 2.528) | 0.750 | 1.146 (0.512, 2.565) | 0.741 |
| Q3 | 1.320 (0.610, 2.858) | 0.481 | 1.373 (0.627, 3.008) | 0.428 | 1.299 (0.588, 2.867) | 0.518 | 1.382 (0.618, 3.090) | 0.430 |
| Q4 | 1.800 (0.807, 4.014) | 0.151 | 1.812 (0.812, 4.045) | 0.147 | 1.795 (0.803, 4.017) | 0.154 | 1.904 (0.842, 4.306) | 0.122 |
| P for the trend | 0.133 | 0.125 | 0.146 | 0.109 | ||||
Model 1 Adjusted for age
Model 2 Adjusted for age and sex
Model 3 Adjusted for age, sex, and tooth type
Q: quartile of the difference in EPT values
EPT electric pulp test, OR odds ratio, CI confidence interval
*P < 0.05