Oxidative Stress Induced Damage and Early Senescence in Preterm Placenta

Table 3

Markers of placental senescence and oxidative damage within preterm subgroups.

Markers	Very preterm () (<32 weeks)	95% CI of mean	Late preterm () (32–<37 weeks)	95% CI of mean
Telomere ratio T/S		1.113–1.178		1.134–1.213
HMGB1 (pg/mg)^	165.57 (132.20–192.66)	137.73–199.14	170.75 (140.03–185.34)	129.69–177.36
8-OHdG (pg/mg)^	0.657 (0.627–0.935)	0.307–2.228	0.808 (0.635–1.089)	0.748–2.656

, independent sample -test; ^median (interquartile range), Mann–Whitney test; ^a value of very preterm vs. ; ^b value of late preterm vs. ; ^c value of very vs. late preterm .