CRP and gingivitis: For the intragroup comparison of correlation between different inflammatory markers and PISA within Group I (gingivitis), a statistically non-significant correlation was observed between PISA and CRP, ESR, neutrophils, and monocytes with respective correlation coefficients of 0.1439 mg/L, 0.147 mm, -0.0017 n×1000/μL, and 0.3416 n×1000/μL, respectively, and respective p-values of 0.439931, 0.430037, 0.99574, and 0.059997, as summarized in Table 4.