Table 1 Characteristics of study participants.

From: AI to predict extrauterine growth restriction during transitional nutrition of preterm infants: a retrospective study

 

non-EUGR

EUGR

p-value

N

634

531

 

 EP, n (%)

76 (12%)

128 (24%)

<0.001

 VP, n (%)

356 (56%)

285 (54%)

0.43

 MP, (%)

202 (32%)

118 (22%)

<0.001

Males, n (%)

266 (42%)

325 (61%)

<0.001

GA, weeks

31.00 (29.43, 32.29)

29.86 (28.00, 31.71)

<0.001

BW, g

1330 (1040, 1534)

1220 (970, 1500)

0.004

Growth at birth

 SGA, n (%)

195 (30.8%)

114 (21.5%)

<0.001

 AGA, n (%)

425 (67.0%)

391 (73.6%)

0.02

 LGA, n (%)

14 (2.2%)

26 (4.9%)

0.02

Apgar score

 1 min

7 (5, 8)

7 (5, 8)

<0.001

 5 min

9 (8, 9)

8 (7, 9)

<0.001

Sepsis, n (%)

 Early onset

192 (30.3%)

298 (56.1%)

<0.001

 Late onset

92 (14.5%)

68 (12.8%)

0.45

NEC, n (%)

 Medical

19 (3.0%)

23 (4.3%)

0.29

 Surgical

3 (0.5%)

-

0.31

Oxygen dependency

 28 days

96 (15.1%)

117 (22.0%)

0.003

36 weeks PMA

49 (7.7%)

59 (11.1%)

0.06

IVH, n (%)

8 (1.3%)

18 (3.4%)

0.02

ROP, n (%)

7 (1.1%)

7 (1.3%)

0.95

Death, n (%)

-

2 (0.4%)

0.21

Length of stay, days

32 (23, 50)

46 (28, 66)

<0.001

Nutritional factors

 First day EN

4 (2, 7)

6 (1, 9)

<0.001

 Length TN, days

7 (5, 9)

8 (5, 12)

<0.001

 First day FEF

11 (7, 17)

14 (9, 22)

<0.001

 PMA at FEF, weeks

32.71 (31.57, 33.71)

32.29 (31.00, 33.43)

<0.001

Δ weight z-score

–0.6 (–0.8, –0.3)

–1.4 (–1.8, –1.2)

<0.001

  1. Data are expressed as median (Q1, Q3) unless otherwise stated.
  2. EUGR extrauterine growth restriction, EP extremely preterm, VP very preterm, MP moderate-to-late preterm, GA gestational age, BW birth weight, SGA small for gestational age, AGA appropriate for gestational age, LGA large for gestational age, NEC necrotising enterocolitis, PMA postmenstrual age, IVH intraventricular hemorrhage, ROP retinopathy of prematurity, EN enteral feeding, TN transitional nutrition, FEF full enteral feeding, Δ weight z-score difference in body weight z-score between birth and 36 weeks’ PMA or discharge, whichever came first.
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