Table 3 Pearson correlation coefficient between lncRNA H19 relative expression with clinical, anthropometric, laboratory, and phenotype characteristics of the PCOS group

Body mass index (kg/m²)

0.642

 < 0.001*

Waist/hip ratio

0.351

 < 0.001*

Systolic blood pressure (mm Hg)

0.108

0.261

Diastolic blood pressure (mm Hg)

0.238

0.017

Hirsutism score

0.424

 < 0.001*

Ovarian volume

0.127

0.208

AFC

0.449

 < 0.001*

Total cholesterol (mg/dL)

0.345

 < 0.001*

Triglycerides (mg/dL)

0.777

 < 0.001*

LDL cholesterol (mg/dL)

0.570

 < 0.001*

HDL cholesterol (mg/dL)

 − 0.041

0.667

Fasting plasma glucose (mg/dL)

0.351

 < 0.001*

Fasting serum insulin (lU/mL)

0.238

 < 0.001*

HbA1c (%)

0.365

 < 0.001*

HOMA-IR

0.345

 < 0.001*

HOMA B

0.111

0.248

FSH (mIU/mL)

0.187

0.051

LH (mIU/mL)

0.119

0.214

LH/FSH

0.027

0.787

DHEA-S (mg/mL)

0.218

0.209

Total testosterone (ng/mL)

0.1237

0.173