CRP and pelvic inflammatory disease: Additionally, PID showed higher inflammatory markers compared to NPID, including elevated white blood cell counts (9.68 vs 7.18 *109/L), neutrophil percentages (76.50% vs 68.53%), CRP levels (51.79 vs 37.21 mg/L), and PCT levels (3.033 vs 0.67 ng/mL), as well as lower lymphocyte percentages (14.38% vs. 21.31%) (Table 1).