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Table 5 The results of two-piecewise linear regression model

From: The association between systemic immune-inflammation index and in vitro fertilization outcomes in women with polycystic ovary syndrome: a cohort study

Inflection point of Log SII

Effect size (β)

95%CI

P

 < 6.72

1.10

-0.40 to 2.66

0.168

 ≥ 6.72

-1.37

-2.30 to -0.43

0.004

  1. Abbreviations: CI Confidence interval, SII Systemic immune-inflammation index
  2. Effect: No. of available embryos, Cause: Log SII
  3. Adjusted: age, sex, BMI, AMH; AFC; BMI; Gn days