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Table 2 Change in PlI, GI, and TM

From: Clinical outcome of periodontal regenerative therapy using collagen membrane and deproteinized bovine bone mineral: a 2.5-year follow-up study

Variable Baseline 6-month 1-year 2.5-year
PlI 0.1 ± 0.1 0.2 ± 0.4 0.3 ± 0.3 0.3 ± 0.3
GI 0.6 ± 0.3 0.1 ± 0.2 0.03 ± 0.1** 0.1 ± 0.1**
TM 0.7 ± 0.5 0.4 ± 0.5 0.4 ± 0.5 0.5 ± 0.5
  1. Data shown as the mean ± SD (n = 10)
  2. PlI plaque index, GI gingival index, TM tooth mobility
  3. ** P < 0.01, significantly different from baseline, by Friedman test with Dunn’s multiple comparisons test