Table 3

Clinical characteristics for infants with ROP

Clinical characteristicsThreshold ROP
(n=8)		No threshold ROP
(n=33)		Significance
(p value)
Hypotension8 (100%)21 (64%)0.11
Colloid treatment8 (100%)20 (61%)0.08
Hyaline membrane disease 8 (100%)22 (67%)0.14
Days to first trial of extubation25.1 (12.3)10.2 (10.8)0.013 MW
Gestational age (weeks)25.8 (0.8)26.8 (1.2)0.006 p(t)

  • ↵Values are mean (SD) for continuous data and number (%) of infants for categorical data.

  • ↵MW = Mann–Whitney comparison; p(t) = two tailed Student’st test. χ2 with Yates’s correction was used for analysis of categorical data.