Risk

Number

Mortality

Definition

Group 1

19 (63%)

0

BW > 1500 g, no MCM

Group 2

9 (30%)

2 (1 palliative surgery only, 1 pulmonary hypertension)

BW < 1500 g or MCM

Group 3

2 (7%)

0

BW < 1500 g and MCM

Total

30

2 (7%)