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Table 1 Change in clinical parameters

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

Variable Baseline 1-year 2-year
CAL (mm)a 7.6 ± 1.8
(7.1–8.1)
4.8 ± 1.3**
(4.2–5.3)
4.5 ± 1.5**
(4.1–5.1)
PD (mm)a 6.8 ± 1.2
(6.4–7.1)
3.3 ± 1.0**
(3.1–3.6)
3.2 ± 1.0**
(3.0–3.4)
BOP (mean %) 42.9 2.3# 9.5#
TMb 0.2 ± 0.5 0.1 ± 0.3 0.1 ± 0.3
  1. CAL clinical attachment level, PD probing depth, BOP bleeding on probing, TM tooth mobility
  2. ** p < 0.01, significantly different from baseline, by Friedman test with Dunn’s multiple comparisons test
  3. # p < 0.05, significantly different from baseline, by Fisher’s exact test
  4. amean ± SD (lower 95% confidence interval—upper 95% confidence interval), bmean ± SD