Table 3.

Logistic Regression predicting likelihood of developing moderate/severe BPD based on MV > 36 days, GA, PH, weight and gender

				95% C.I. for EXP
Variable	B	p	RR	Lower	Upper
Constant	− 7528	0,506	0,001
MV > 36 days	3894	0,001	49,101	4916	490,415
GA (days)	0,048	0,469	1050	0,921	1196
PH	3632	0,011	37,770	2270	628,541
Weight at birth	−0,005	0,125	0,995	0,988	1001
Gender	2014	0,143	7497	0,506	110,976

MV Mechanical ventilation, GA gestational age, PH Pulmonary hypertension, B nonstandard coefficients regression, RR relative risk, C.I confidence interval. Note: Gender is for males compared to females