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Table 4 IL-1β, CXCL8, and TNF-α levels in PISF depending on bone density

From: Analysis of IL-1β, CXCL8, and TNF-α levels in the crevicular fluid of patients with periodontitis or healthy implants

  G1 (bone density D1 + D2) G2 (bone density D3 + D4)
IL-1β (pg/mL)
Range 1.00–125.70 0.10–63.20
Mean ± SD 35.44 ± 36.11 16.70 ± 17.40
CXCL8 (pg/mL)
Range 4.90–107.70 3.10–296.30
Mean ± SD 33.99 ± 30.94 45.06 ± 68.04
TNF-α (pg/mL)
Range 1.50–9.40 3.10–9.40
Mean ± SD 5.39 ± 2.41 5.91 ± 1.64
  1. SD, standard deviation
  2. The Mann–Whitney U test was performed to analyzed differences in the levels of IL-1β, CXCL8, and TNF between G1 and G2 bone density groups. The Spearman's rank correlation coefficient was used to test correlations between IL-1β, CXCL8, and TNF-α concentrations in G1 and G2 bone density groups. Statistical significance was set at p = 0.05