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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: J Clin Periodontol. 2013 Jan 2;40(3):212–217. doi: 10.1111/jcpe.12043

Table 1.

Demographic and clinical characteristics of the subject population

NP1 (n=18) CP 2 (n=20) GAgP 3 (n=15) p-value
Age (SEM) 38.2 (2.4) 47.4 (2.3) 32.0 (2.7) P=.0002
Race: % A, B, W 4 0, 22.2, 77.8 0, 35.0, 65.0 6.7, 53.3, 62.3 P=.15
Sex: %Female 72.2 55.0 46.7 P=.30
Mean PD: mm (SEM) 5 2.00 (0.17) 2.62 (0.16) 3.90 (0.19) P=.0001
Mean ALOSS (mm) 5 0.37 (0.41) 2.29 (0.38) 3.70 (0.44) P=.0001
N teeth 27.4 (1.41) 22.9 (1.34) 24.0 (1.55) P=.07
1

NP: Normal Periodontium

2

CP: Chronic Periodontitis

3

GAgP: Generalized Aggressive Periodontitis

4

A, B, W: Asian, Black, White

5

PD: pocket depth; ALOSS: attachment loss