. 2022 Aug 25;10:947221. doi: 10.3389/fped.2022.947221

TABLE 1.

Maternal and neonatal characteristics, and nutritional intakes according to the ARA:DHA group supplementation.

Maternal characteristics	80:40 group	120:60 group	P
Maternal age (years)	35.0 [33.5; 37.8]	35.0 [32.0; 37.0]	0.78^a
Ethnicity
Caucasian	8 (88.8%)	9 (100.0%)	0.99^b
Others	1 (11.1%)	0 (0.0%)
Education level
Illiterate	0 (0.00%)	2 (22.2%)	0.61^b
Middle school	1 (12.5%)	1 (11.1%)
High school	3 (37.5%)	1 (11.1%)
University	4 (50.0%)	5 (55.6%)
Assisted reproduction techniques	3 (30.0%)	3 (27.3%)	0.99^b
Multiple gestation	3 (30.0%)	4 (36.4%)	0.99^b
DHA supplement during pregnancy	2 (25.0%)	5 (62.5%)	0.32^b
C-section	7 (70.0%)	7 (63.6%)	0.99^b
Chorioamnionitis	6 (60.0%)	4 (36.4%)	0.40^b

Neonatal characteristics	80:40 group	120:60 group	P

Male sex	6 (60.0%)	4 (36.4%)	0.40^b
Gestational age (completed weeks^+days)	28⁺⁶ [27⁺³; 30⁺³]	29⁺⁶ [27⁺³; 30⁺⁵]	0.83^a
Apgar score at 1 min	6.0 [3.3; 8.0]	6.0 [6.0; 8.0]	0.67^a
Apgar score at 5 min	7.5 [6.25; 8.8]	8.0 [7.5; 9.0]	0.42^a
Score for Neonatal Acute Physiology II	24.0 [4.75; 35.0]	0.0 [0.0; 15.5]	0.11^a
Intubation at birth	2 (20.0%)	1 (9.1%)	0.59^b
Arterial pH	7.3 [7.2; 7.3]	7.3 [7.3; 7.4]	0.08^a
Enteral nutrition initiation (days of life)	1.5 [1.0; 2.0]	1.0 [1.0; 2.0]	0.48^a
Overcoming of trophic nutrition (days of life)	3.0 [2.0; 3.0]	3.0 [2.0; 3.0]	0.79^a
Exclusively enteral nutrition (days of life)	10.5 [7.5; 12.0]	7.0 [6.0; 9.0]	0.18^a
Lipid supplementation initiation (days of life)	3.0 [2.3; 3.0]	3.0 [3.0; 4.0]	0.30^a
Gestational age at discharge (completed weeks^+days)	36⁺⁶ [36⁺⁰; 38⁺²]	37⁺⁰ [36⁺²; 37⁺¹]	0.85^a
Neonatal intensive care unit duration (days)	18.0 [6.0; 33.0]	14.0 [12.5; 23.0]	0.97^a

Data show median and interquartile range [Q1; Q3] in quantitative variables and sample size (n) and relative frequency (%) in qualitative variables. The p-value was extracted from ^aMann–Whitney U-test or ^bFisher’s exact test.