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Table 2 Descriptive statistics of periodontal parameters of examined groups and comparison among them. Values are represented, such as median and interquartile range (IQR) (1st; 3rd)

From: Association among serum and salivary A. actinomycetemcomitans specific immunoglobulin antibodies and periodontitis

PERIODONTAL INDEXES Controls (n = 48) Periodontitis (n = 53) P-value
Number of teeth, n. 23.8 (19–27) 18.9 (16–23) < 0.001
CAL, mm 1.39 (1.21–1.76) 3.78 (3.5–4.1) < 0.001
Sites with CAL 4–5 mm, % 38.6 (36.5–41.2)
Sites with CAL ≥ 6 mm, % 24.5 (22.6–26.1)
PD, mm 1.58 (1.21–2.24) 4.23 (3.55–4.87) < 0.001
Sites with PD 4–5 mm, % 41.2 (38.1–43.2)
Sites with PD ≥ 6 mm, % 26.8 (23.4–28.7)
BOP, % 13.2 (9.1–17.7) 44.1 (38.2–47.4) < 0.001
Plaque Index (PI), score 0.65 (0.51–0.72) 0.71 (0.63–0.83) 0.108