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Table 2 Multiple regression analysis for the association with CAL gain at 2 years

From: Periodontal regenerative therapy with enamel matrix derivative in the treatment of intrabony defects: a prospective 2-year study

Baseline variable Coefficient Confidence interval t ratio p
CAL (mm) −0.032 −0.344–0.281 0.206 0.838
PD (mm) 0.508 0.004–1.011 2.045 0.048
TM –0.385 −1.123–0.354 1.058 0.297
INTRA (mm) 0.260 −0.073–0.592 1.584 0.122
Patient age 0.020 −0.014–0.053 1.16 0.242
  1. Dependent variable: CAL gain at 2 years; R2 = 0.493. Significant association is indicated in italics
  2. CAL clinical attachment level, PD probing depth, TM tooth mobility, INTRA intrabony component