Table 2:

Univariate and multiple regression modeling showing association of clinical variables and bradycardia and desaturation characteristics at 32 weeks PMA with discharge PMA

	Beta value	p value	R2
BD characteristics (univariate)
Number bradycardias	NS	0.684	NS
Duration bradycardias	0.187	< 0.001	0.045
Number desaturations	0.011	< 0.001	0.09
Duration desaturations	0.066	< 0.001	0.254
Clinical variables (univariate)
Sex (Male)	NS	0.109	NS
Gestational age weeks	−0.396	< 0.001	0.189
Birth weight grams	−3.636	< 0.001	0.179
Apgar1 minute	−0.272	< 0.001	0.092
Apgar5 minutes	−0.323	< 0.001	0.073
Septicemia	1.339	< 0.001	0.043
Necrotizing enterocolitis	1.949	0.002	0.034
Respiratory acuity score	1.482	< 0.001	0.336
All clinical variables	NA	NA	0.411
BD characteristics (adjusted for all clinical)
Number bradycardias	NS	0.678	NS
Duration bradycardias	0.12	0.003	0.428
Number desaturations	NS	0.813	NS
Duration desaturations	0.024	0.004	0.428
NS non significant; BD bradycardia desaturation

^*Beta value sign indicates the direction and R² the strength of the association