Table 1.

Developmental Measures for All Participants

Variable Total Study (N = 54) 
Prepod Group (n = 27)a Control Group (n = 27)b 
Birth age   
M 30 wk, 5 days 30 wk, 0 days 
 Range 28 wk, 4 days–31 wk, 4 days 28 wk, 2 days–31 wk, 6 days 
Study exit age   
M 36 wk, 6 days 38 wk, 0 days 
 Range 35 wk, 2 days–40 wk, 6 days 35 wk, 1 day–42 wk, 3 days 
Head circumference, cm   
M at birth 28.62 27.81 
M at discharge 33.05 33.25 
 Growth per hospital day 0.10 0.10 
Infant weight, g   
M birth weight 1,550.74 1,463.28 
M discharge weight 2,737.62 2,852.14 
 Growth per hospital day 27.66 26.20 
Variable Total Study (N = 54) 
Prepod Group (n = 27)a Control Group (n = 27)b 
Birth age   
M 30 wk, 5 days 30 wk, 0 days 
 Range 28 wk, 4 days–31 wk, 4 days 28 wk, 2 days–31 wk, 6 days 
Study exit age   
M 36 wk, 6 days 38 wk, 0 days 
 Range 35 wk, 2 days–40 wk, 6 days 35 wk, 1 day–42 wk, 3 days 
Head circumference, cm   
M at birth 28.62 27.81 
M at discharge 33.05 33.25 
 Growth per hospital day 0.10 0.10 
Infant weight, g   
M birth weight 1,550.74 1,463.28 
M discharge weight 2,737.62 2,852.14 
 Growth per hospital day 27.66 26.20 
a

The prepod group was composed of 16 male infants and 11 female infants.

b

The control group was composed of 15 male infants and 12 female infants.

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