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. 2016 Nov 10;11(11):e0166434. doi: 10.1371/journal.pone.0166434

Fig 1. Scatter plots of tibial bone SOS in preterm and term infants with a cubic regression line versus age in months.

Fig 1

(A) preterm girls, (B) preterm boys, (C) term girls, (D) term boys. Corrected age is used for preterm infants. Upper and lower individual 95% confidence intervals are shown as dashed lines. ○ = preterm infants; △ = term infants; values on X axis of Fig 1 (A) and (B): zero value = corrected gestational age 40 weeks; negative values -1 = corrected gestational age 36 weeks, negative -2 = corrected gestational age 32 weeks, negative -3 = corrected gestational age 28 weeks.