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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: J Periodontol. 2014 Dec;85(12):1770–1778. doi: 10.1902/jop.2014.140180

Table 4. Mean (StdErr) delta clinical sign (Day 21-Day 0) during SIBO by BGI group.

BGI Category Mean (StdErr) p value
BGI (Health)
Plaque 0.85 (0.11) <0.0001
Gingival Index 0.44 (0.06) <0.0001
Bleeding On Probing 19.4 (4.03) <0.0001
Probing Depth (mm) 0.05 (0.06) 0.46
Attachment Level (mm) -0.08 (0.05) 0.12
BGI (Gingivitis)
Plaque 0.79 (0.09) <0.0001
Gingival Index 0.29 (0.05) <0.0001
Bleeding On Probing 20.5 (3.49) <0.0001
Probing Depth (mm) 0.18 (0.09) 0.052
Attachment Level (mm) -0.11 (0.05) 0.03
BGI (P1)
Plaque 0.70 (0.10) <0.0001
Gingival Index 0.21 (0.05) 0.0001
Bleeding On Probing 21.0 (4.47) <0.0001
Probing Depth (mm) 0.11 (0.05) 0.047
Attachment Level (mm) 0.01 (0.05) 0.91
BGI (P2)
Plaque 0.82 (0.10) <0.0001
Gingival Index 0.28 (0.06) 0.0001
Bleeding On Probing 15.7 (4.05) 0.0005
Probing Depth (mm) 0.03 (0.06) 0.67
Attachment Level (mm) 0.03 (0.06) 0.63
BGI (P3)
Plaque 0.65 (0.08) <0.0001
Gingival Index 0.15 (0.04) 0.002
Bleeding On Probing 8.30 (4.47) 0.07
Probing Depth (mm) -0.06 (0.06) 0.30
Attachment Level (mm) 0.02 (0.08) 0.79
BGI (Health + Gingivitis)
Plaque 0.82 (0.07) <0.0001
Gingival Index 0.37 (0.04) <0.0001
Bleeding On Probing 19.9 (2.67) <0.0001
Probing Depth (mm) 0.11 (0.05) 0.04
Attachment Level (mm) -0.09 (0.03) 0.008
BGI (P1-P3)
Plaque 0.73 (0.05) <0.0001
Gingival Index 0.22 (0.03) <0.0001
Bleeding On Probing 15.8 (2.51) <0.0001
Probing Depth (mm) 0.02 (0.03) 0.48
Attachment Level (mm) 0.02 (0.04) 0.66

StdErr = Standard error