Table 5.

Severity of Radiographic Respiratory Distress Syndrome

Severity of RDS*Exosurf
(n = 359)
Infasurf
(n = 361)
n (%)
No findings of RDS155  (43)270  (75)
Mild disease172  (48)78  (22)
Moderate disease16  (4)7  (2)
Severe disease7  (2)5  (1)
Indeterminate9  (3)1  (0)
  • * Chest radiographs available for assignment of study definition of RDS.

  • Chest radiograph interpreted as normal or consistent with retained lung liquid.

  • Chest radiograph uninterpretable for technical reasons or read as consistent with pneumonia. Cochran-Mantel-Haenszel χ2 = 36.04, P < .001.