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Table 3 Relationship between the difference in EPT values and clinical diagnosis of pulpitis in the four models

From: Relationship between the difference in electric pulp test values and the diagnostic type of pulpitis

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

 
  1. Model 1 Adjusted for age
  2. Model 2 Adjusted for age and sex
  3. Model 3 Adjusted for age, sex, and tooth type
  4. Q: quartile of the difference in EPT values
  5. EPT electric pulp test, OR odds ratio, CI confidence interval
  6. *P < 0.05