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Table 5 Weighted multivariate logistic analysis and multiple imputation analysis for identifying sensitivity

From: Association between the systemic immune inflammation index and periodontitis: a cross-sectional study

Age stratification

SII < 978 × 109/L (OR, 95% CI)

SII ≥ 978 × 109/L (OR, 95% CI), P value

Complete case

Multiple imputation

30–50 years old

 Model 3

Reference

1.213 (0.722, 2.039), 0.445

1.128 (0.669, 1.902), 0.634

 ≥ 50 years old

 Model 3

Reference

1.409 (1.037, 1.915), 0.022

1.382 (1.019, 1.876), 0.029

  1. CI: confidence interval; OR: odds ratio; SII: systemic immune inflammatory index