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Table 4 Correlations between baseline valuables and CAL gain or PD reduction at 2.5 years

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

Baseline variable CAL gain PD reduction
r P r P
CAL 0.341 0.330 −0.408 0.245
PD −0.047 0.892 −0.816 0.006
TM 0.191 0.584 0.120 0.733
INTRA 0.273 0.448 0.719 0.023
Patient age −0.207 0.560 0.114 0.759
  1. r, Spearman coefficient. Significant differences are indicated in italics
  2. CAL clinical attachment level, PD probing depth, TM tooth mobility, INTRA intrabony component