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. 2014 Dec;69(12):792–798. doi: 10.6061/clinics/2014(12)01

Table 2.

Weight, length, head circumference and body mass index of late-preterm and term newborns during the first two months of life, with the corrected gestational age for the late-preterm newborns.

Weight (g) G1 (LPT) G2 (term) p p
At birth 2603.00±357.56 3404.00±347.75 <0.001 -
1 month/term* 3225.83±514.09 4305.71±458.25 <0.001 0.2502
2 months/1 month post-T** 4461.43±575.74 5426.43±638.10 <0.001 0.3249††
p <0.001 <0.001
Length (cm) G1 (LPT) G2 (term) p p
At birth 45.48±1.97 48.71±1.02 <0.001 -
1 month/term* 50.10±1.85 53.90±1.59 <0.001 0.0043
2 months/1 month post-T** 54.14±1.70 57.86±1.46 <0.001 0.6444††
p <0.001 <0.001
HC (cm) G1 (LPT) G2 (term) p p
At birth 32.80±1.06 34.57±0.90 <0.001 -
1 month/term* 35.60±1.02 37.57±0.97 <0.001 0.0010
2 months/1 month post-T** 38.38±0.84 39.43±1.09 <0.001 0.0028††
p <0.001 <0.001
BMI (kg/m2) G1 (LPT) G2 (term) p p
At birth 12.54±1.10 14.34±1.30 <0.001 -
1 month/term* 12.80±1.50 14.79±1.01 <0.001 0.0013
2 months/1 month post-T** 15.20±1.65 16.19±1.60 <0.001 0.3199††
p <0.001 <0.001
*

Corrected gestational age (GA) of term for late-preterm (LPT) newborns.

**

Corrected GA of 1 month post-term (post-T) for LPT newborns.

p-value for a corrected GA of term for LPT newborns versus at birth for term newborns.

††

p-value for a corrected GA of 1 month post-T for LPT newborns versus 1 month of age for term newborns.

p-value for the evolution over time of each hematological parameter.

HC  =  Head Circumference.

BMI  =  Body Mass Index.