Abstract 115 Table 1
Group 1: Spontaneous
Closure N=64
Group 2: Medical or Surgical
Intervention N=101
P Value
Birthweight (grams)722±169709±163NS
Gestational Age (weeks)26±225±20.004
Surfactant83%94%0.021
Spontaneous Bowel Perforation11%15%NS
BPD42%38%NS
Grade 3–4 IVH1.5%12%0.017
Stage 3 ROP and higher20%28%NS
Vasopressor Resistant Hypotension42%68%0.0001
Death12.5%19%NS