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Table 1 Clinical characteristics of the study infants

From: Object permanence and the development of attention capacity in preterm and term infants: an eye-tracking study

  Preterm infants (n = 26) Term infants (n = 18) P-value
Perinatal characteristic
 Gestational age, wk 28.92 ± 3.89 38.66 ± 1.32 <0.001
 Birth weight (g) 989.04 ± 320.77 3108.88 ± 503.29 <0.001
 Cesarean section, n (%) 21 (80) 11 (61) 0.335
 Male gender, n (%) 14 (54) 13 (72) 0.183
 Small for gestational age, n (%) 9 (34)   
 Chorioamnionitis, n (%) 11 (42)   
 Prenatal steroid use, n (%) 21 (81)   
 BPD ≥ moderate, n (%) 8 (31)   
 ROP, grade I-II, n (%) 13 (50)   
 Intraventricular hemorrhage
  Grade I, n (%) 4 (15)   
  Grade II, n (%) 2 (7)   
Socio-demographic characteristics
 Maternal age, years 35.30 ± 3.36 35.44 ± 3.20 0.893
 Maternal education, n (%)    1.000
  High 18 (69) 13 (72)  
  Middle 8 (31) 5 (28)  
  Low 0 0  
Follow-up characteristic
 6–10 month clinic, months 8.72 ± 1.95 (n = 10) 8.57 ± 1.95 (n = 9) 0.846
 16–20 month clinic, months 17.34 ± 2.31 (n = 16) 16.67 ± 1.03 (n = 9) 0.619
BINS scores of the patients
 6–10 month 11.20 ± 0.63 (n = 10) 11.50 ± 0.75 (n = 9) 0.319
 16–20 months 10.75 ± 0 .70 (n = 16) 10.66 ± 0.77 (n = 9) 0.811
  1. Data are presented as mean ± SD or number (%)
  2. BPD bronchopulmonary dysplasia, ROP retinopathy of prematurity