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. 2016 Jun 2;16:64. doi: 10.1186/s12903-016-0216-x

Table 2.

Descriptive analysis of BOP, PD, Hb and LD in participants with and without periodontitis

Periodontitis P
− (n = 38) + (n = 54)
BOP 5.95 ± 10.15 17.58 ± 17.58 <0.001
(%) 0.96 (0.00–6.45) 11.37 (3.25–27.77)
PD 2.09 ± 0.43 3.13 ± 0.65 <0.001
(mm) 2.03 (1.73–2.33) 3.10 (2.60–3.48)
Hb 6.23 ± 33.33 18.46 ± 38.61 <0.001
(μg/mL) 0.35 (0.10–1.15) 3.10 (1.43–18.83)
LD 263.00 ± 196.64 482.96 ± 387.34 <0.001
(IU/L) 228.00 (153.75–321.75) 404.00 (222.50–523.50)

Data are expressed as mean ± standard deviation and median (25 %, 75 % percentiles). Hb and LD salivary levels were significantly higher in participants with than without periodontitis (Mann–Whitney U test)

BOP bleeding on probing, PD pocket depth, Hb hemoglobin, LD lactate dehydrogenase