Fig. 2
Spearman correlations between SFRP4 and anthropometric and biochemical parameters adjusted by BMI, age and sex. P < 0.05 was considered significant. Abbreviations: BMI, body mass index; WC, waist circumference; WHR, waist hip ratio; HbA1c, glycated hemoglobin; HOMA-IR, homeostasis model assessment insulin resistance. Crosses represent control group; white squares represent prediabetes group and black circles represent T2D group