TABLE 4.

Medication and Treatment Associated With CLD and MDIs and PDIs at 24 Months' Postterm Equivalent

Medications and Therapies	CLD, %	MDI, %		PDI, %		N
		<55	55–69	<55	55–69
Surfactant, first week
Yes	53	11	11	10	16	809
No	24	11	11	7	12	106
Methylxanthine
Yes	43	11	11	9	15	787
No	85	15	12	11	22	128
Hydrocortisone
Yes	67	15	8	18	16	85
No	47	11	11	9	16	830
Dexamethasone
Yes	71	4	21	8	25	24
No	49	11	11	9	15	821
Analgesics
Yes	56	12	10	11	15	579
No	37	10	12	7	17	336
Sedative
Yes	57	18	15	8	20	200
No	47	10	10	10	14	716
PDA treatmenta
Ligation	69	16	10	11	21	127
Indomethacin	53	10	12	11	15	349
Neither	46	11	13	8	10	130
PDA treatmentb
Yes	58	12	12	10	17	544
No	37	10	10	8	14	371
Transfusionc
Yes	52	12	11	8	16	842
No	14	8	11	10	11	72

CLD included infants with and without MV (CMV or high-frequency ventilation).

^aAmong those with a clinical or echocardiographic PDA diagnosis.

^bAmong all infants.

^cPacked red blood cells during 3 or 4 separate weeks in the first postnatal month.