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Table 1 Base-line characteristics for all patients enrolled in the study

From: Azithromycin in the extremely low birth weight infant for the prevention of Bronchopulmonary Dysplasia: a pilot study

Characteristic Azithromycin Group (n = 19) Placebo Group (n = 16) p-value
Birth weight-g 762 ± 94 736 ± 103 NS
Gestational age-wk 25.6 ± 1.5 25.3 ± 1.0 NS
Male sex-no. (%) 7 (36.8) 8 (50) NS
Mother's racial group-no. (%)    
Black 1 (4.5) 0 NS
White 17 (89.5) 16 (100)  
Other 1 (4.5) 0  
Born at study hospital-no. (%) 17 (89.5) 13 (81.3) NS
Antenatal Steroids-no. (%) 15 (78.9) 12 (75) NS
Cesarean section-no. (%) 17 (89.5) 14 (87.5) NS
Apgar score at 1 minute    
Median 5 4 NS
Interquartile range 2–6 1–7  
Apgar score at 5 minute    
Median 7 7 NS
Interquartile range 6–8 5–8  
Initial mean airway pressure 6.8 ± 1.3 6.6 ± 0.9 NS
Surfactant-no. of doses 1.4 ± 0.7 1.8 ± 0.7 NS
Clinical history of chorioamnionitis-no. (%) 1 (5.2) 1 (6.2) NS
  1. All data analysis was performed using ANOVA (mean ± sd), except for apgar scores, which was analyzed using median test. All p-values are recorded as NS (not significant) if > 0.05.