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Table 2 The Spearman’s rank correlation (r) among clinical parameters and FOLR1 levels

From: Folate-receptor 1 level in periodontal disease: a pilot study

Clinical parameters Serum FOLR-1 levels GCF FOLR-1 levels
r p r p
PPD −0.27 0,24 0.30 0.19
CAL −0.22 0,35 0.35 0.13
PI −0.32 0,17 0,36 0,11
GI −0.11 0,96 0.35 0.13
BOP −0.08 0,73 0.45* 0.04*
  1. *Statistically significant (P < 0.05)