TABLE 5.

TABLE OF ESTIMATED PROBABILITIES OF BRONCHOPULMONARY DYSPLASIA OR DEATH BY POSTNATAL DAY FOR TWO HYPOTHETICAL INFANTS

25-wk gestational age, 700-g birth weight, white, male
		Probability of Outcome
Day	Respiratory support and FiO2	Death	Severe BPD	Moderate BPD	Mild BPD	No BPD
1	HFV and FiO2 = 50%	0.31	0.17	0.31	0.20	0.01
3	HFV and FiO2 = 100%	0.52	0.17	0.19	0.12	0.00
7	HFV and FiO2 = 100%	0.42	0.20	0.28	0.10	0.00
14	CMV and FiO2 = 50%	0.07	0.28	0.36	0.27	0.02
21	NCPAP and FiO2 = 50%	0.02	0.19	0.36	0.39	0.04
28	Nasal cannula and FiO2 = 50%	0.01	0.06	0.28	0.57	0.07
28-wk gestational age, 1,000-g birth weight, black, female
		Probability of Outcome
Day	Respiratory support and FiO2	Death	Severe BPD	Moderate BPD	Mild BPD	No BPD
1	CMV and FiO2 = 70%	0.06	0.09	0.15	0.23	0.47
3	CMV and FiO2 = 35%	0.05	0.09	0.22	0.30	0.34
7	Nasal cannula and FiO2 = 50%	0.01	0.04	0.09	0.21	0.65
14	No ventilation and room air	0.02	0.01	0.01	0.03	0.93
21	No ventilation and room air	0.01	0.01	0.01	0.01	0.96
28	No ventilation and room air	0.01	0.00	0.00	0.01	0.97

Definitions of abbreviations: BPD = bronchopulmonary dysplasia; CMV = conventional mechanical ventilation; HFV = high-frequency ventilation; NCPAP = nasal continuous positive airway pressure.