Table 2

Incidence of threshold retinopathy of prematurity in newborns treated with ketorolac and historic controls. Only those alive at discharged included in the analyses.

Historic Controls

Ketorolac

Relative Risk (95%CI) P-value

n/N(%)

n/N(%)

Crude

Adjusted*

Threshold retinopathy of prematurity

6/35 (17.1)

1/43 (2.3)

0.14 (0.00 to 0.80) 0.041**

0.12 (0.02 to 0.92) 0.04

* Adjusted by oxygen administration using robust Poisson Regression. **Fisher exact test

Avila-Vazquez et al. BMC Pediatrics 2004 4:15   doi:10.1186/1471-2431-4-15