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Table 1 Comparison of clinical periodontal parameters among the groups

From: Biochemical parameters and oxidative stress markers in Tunisian patients with periodontal disease

Groups
Parameter
Patients n = 80 Controls n = 50 P 95%CI
Median
PPD (mm) 5.3 (2.5 to 7.5) 1 (0.5 to 2) 0.05 4.99–0.70
GBI 1.96 (0 to 3) 0.75 (0 to 1) 0.05 2.38–0.67
PI 64.4 (10 to 100) 35 (10 to 100) 0.05 65.81–34.71
  1. Patients n = 80; Controls n = 50. Normally distributed data are expressed as means±SD, and non normally distributed data are expressed as median (IQR [interquartile range]). PPD Probing pocket depth, GBI Gingival bleeding index, PI Plaque index. The difference is significant compared with the control group (P ≤ 0.05)