The median (IQR: 25th; 75th percentiles) CRP level (ng/mL) in the spontaneous PTD group was 95.2 (64.3; 163.5) compared to 86.0 (51.2; 145.8) in the term delivery group, a difference that was not significant (p = 0.37) (Fig 3). This evidence concerns the gene CRP and Bjornstad syndrome.